83_FR_8220 83 FR 8182 - Federal Motor Vehicle Safety Standard No. 141, Minimum Sound Requirements for Hybrid and Electric Vehicles

83 FR 8182 - Federal Motor Vehicle Safety Standard No. 141, Minimum Sound Requirements for Hybrid and Electric Vehicles

DEPARTMENT OF TRANSPORTATION
National Highway Traffic Safety Administration

Federal Register Volume 83, Issue 38 (February 26, 2018)

Page Range8182-8198
FR Document2018-03721

This document responds to petitions for reconsideration regarding NHTSA's December 2016 final rule which established new Federal motor vehicle safety standard (FMVSS) No. 141, ``Minimum sound for hybrid and electric vehicles.'' The agency received submissions from three petitioners requesting six discrete changes to the final rule, and also received technical questions from the petitioners. After consideration of the petitions and all supporting information, NHTSA has decided to grant the petitions for four of the discrete changes, deny one, and request comment in a separate document for the sixth proposed change.

Federal Register, Volume 83 Issue 38 (Monday, February 26, 2018)
[Federal Register Volume 83, Number 38 (Monday, February 26, 2018)]
[Rules and Regulations]
[Pages 8182-8198]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-03721]


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DEPARTMENT OF TRANSPORTATION

National Highway Traffic Safety Administration

49 CFR Part 571

[Docket No. NHTSA-2018-0018]
RIN 2127-AL84


Federal Motor Vehicle Safety Standard No. 141, Minimum Sound 
Requirements for Hybrid and Electric Vehicles

AGENCY: National Highway Traffic Safety Administration (NHTSA), DOT.

ACTION: Final rule; response to petitions for reconsideration.

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SUMMARY: This document responds to petitions for reconsideration 
regarding NHTSA's December 2016 final rule which established new 
Federal motor vehicle safety standard (FMVSS) No. 141, ``Minimum sound 
for hybrid and electric vehicles.'' The agency received submissions 
from three petitioners requesting six discrete changes to the final 
rule, and also received technical questions from the petitioners. After 
consideration of the petitions and all supporting information, NHTSA 
has decided to grant the petitions for four of the discrete changes, 
deny one, and request comment in a separate document for the sixth 
proposed change.

DATES: Effective April 27, 2018.
    Compliance dates: Compliance with FMVSS No. 141 and related 
regulations, as amended in this rule, is required for all hybrid and 
electric vehicles to which these regulations are applicable beginning 
on September 1, 2020. The initial compliance date for newly 
manufactured vehicles under the 50-percent phase-in as specified in 
FMVSS No. 141 is delayed by one year to September 1, 2019.
    Petitions for reconsideration of this final action must be received 
not later than April 12, 2018.

ADDRESSES: Correspondence related to this rule including petitions for 
reconsideration and comments should refer to the docket number in the 
heading of this document and be submitted to: Administrator, National 
Highway Traffic Safety Administration, U.S. Department of 
Transportation, 1200 New Jersey Avenue SE, West Building, Washington, 
DC 20590.

FOR FURTHER INFORMATION CONTACT: You may contact Mr. Thomas Healy in 
NHTSA's Office of the Chief Counsel regarding legal issues at (202) 
366-2992 or FAX: 202-366-3820. For non-legal issues, you may contact 
Mr. Michael Pyne, NHTSA Office of Crash Avoidance Standards, at (202) 
366-4171 or FAX: 202-493-2990.

SUPPLEMENTARY INFORMATION: Of the six requested changes contained in 
the petitions, NHTSA is granting the petition request to postpone the 
compliance phase-in schedule by one year. NHTSA also is granting two 
petition requests relating to the ``Sameness'' requirements in the 
final rule to further allow variations in alert sound across different 
vehicle types, and to reduce the number of compliance criteria to meet 
the sameness standards. In addition, NHTSA is granting a petition 
request to modify the regulatory language to permit the alteration of 
the alert sound as originally equipped on a vehicle for repairs and 
recall remedies. NHTSA has decided to deny one petition request to 
change the crossover speed, which is the speed above which the 
pedestrian alert sound is allowed to turn off, from 30 kilometers per 
hour (km/h) to 20 km/h. The agency has determined that the available 
information on lowering the crossover speed does not warrant making 
that change.
    Furthermore, regarding a petition request to allow vehicles to be 
manufactured with a suite of driver-selectable pedestrian alert sounds, 
the agency is neither granting nor denying that request in this 
document. Instead, NHTSA intends to issue a separate document at a 
later date to seek comment on the issue of driver-selectable sounds.
    Additionally, this document addresses a few requests for technical 
changes and provides a few clarifications of final rule technical 
requirements raised in the petitions. Lastly, this document responds to 
a comment on the final rule about the availability of industry 
technical standards incorporated by reference in the final rule.

Table of Contents

I. Executive Summary
II. Background
    A. Notice of Proposed Rulemaking
    B. Final Rule
III. Petitions for Reconsideration Received by NHTSA
    A. Alliance/Global Petition for Reconsideration and Letters of 
Support
    B. Honda Petition for Reconsideration
    C. Nissan Petition for Reconsideration
    D. Other Issues
IV. Agency Response and Decision
    A. Phase-In Schedule, Compliance Dates, and Lead Time
    B. Sameness Requirement for Same Make, Model, Model Year 
Vehicles
    C. Criteria for Sameness of Production Vehicles
    D. Alteration of the OEM Alert Sound
    E. Crossover Speed
    F. Technical Clarifications in the Nissan and Honda Petitions
    G. Other Comments Relevant to the Final Rule
V. Response to Petitions for Reconsideration
VI. Rulemaking Analyses and Notices

I. Executive Summary

    Pursuant to the Pedestrian Safety Enhancement Act of 2010 
(PSEA),\1\ NHTSA issued a final rule on December 14, 2016, to create a 
new FMVSS setting minimum sound level requirements for low-speed 
operation of hybrid and electric light vehicles. The minimum sound 
requirements provide a means for blind and other pedestrians as well as 
bicyclists and other road users to detect the presence of these so-
called quiet vehicles and thereby reduce the risk that these vehicles 
will be involved in low-speed pedestrian crashes.
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    \1\ Pedestrian Safety Enhancement Act of 2010, Public Law 111-
373, 124 Stat. 4086 (2011).
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    After the final rule was published, NHTSA received timely petitions 
for reconsideration \2\ from three sources: The Auto Alliance in 
conjunction with Global Automakers (Alliance/Global); American Honda 
Motor Company, Inc. (Honda); and Nissan North America, Inc. (Nissan). 
These petitions requested several changes covering several aspects of 
the final rule. Of the various issues covered in these petitions, NHTSA 
identified the following six discrete requests for specific changes to 
requirements in the final rule (listed here in the order they appear in 
the Alliance/Global, Honda, and Nissan petitions):
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    \2\ The final rule allowed 45 days for submitting petitions for 
reconsideration, resulting in a deadline of January 30, 2017.
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    1. To delay by one year both the compliance phase-in schedule and 
the date by which all vehicle production must comply with the rule 
(section S9);
    2. To limit the compliance criteria for the Sameness requirement 
(section S5.5.2) to only the digital sound file and digital processing 
algorithm;
    3. To modify the Sameness requirement (S5.5.1) to allow alert 
sounds to vary by trim level or model series rather than just by make/
model;
    4. To modify section S8, which prohibits altering the factory-
equipped alert sound, to allow recall remedies

[[Page 8183]]

and vehicle repairs when components of the alert system are shared with 
other vehicle systems;
    5. To lower the crossover speed from 30 km/h (18.6 mph) to 20 km/h 
(12.4 mph);
    6. To modify the Sameness requirement so that a vehicle can be 
equipped with a suite of up to five driver-selectable alert sounds.
    To facilitate the agency's response to the petitions, we are 
treating each of these six issues as separate petition requests and 
addressing them individually in this document.
    As fully discussed later in this rule, the agency is granting 
several of these petition requests, specifically the first four issues 
listed above. We believe the corresponding adjustments to the final 
rule will clarify requirements, provide more flexibility to vehicle 
manufacturers, and remove potential barriers to achieving compliance, 
while having no foreseeable impact on the safety benefits estimated in 
the December 2016 final rule, as this rule simply corrects an error in 
the original final rule related to the phase-in schedule and does not 
make changes that affect the substance of the required alert sound. The 
agency is denying the fifth item above, relating to cross-over speed, 
because no new data or analyses have been presented that would justify 
reversing the agency's previous conclusion on cross-over speed as 
presented in the final rule preamble. As for the last item, on driver-
selectable sounds, the agency has decided to request public comment 
before deciding how to respond to that request, and NHTSA intends to 
issue a notice of proposed rulemaking (NPRM) or other Federal Register 
document on that issue.
    In this document, the agency also responds to two issues raised by 
Nissan relating to acoustic specifications in the final rule. In 
addition, in response to technical questions in the Honda petition, we 
are providing several clarifications of some requirements.
    Lastly, in this document, NHTSA is responding to two comments 
submitted to the docket, one from Ford regarding the legality of 
equipping certain vehicles used for security purposes with a means of 
turning off the required pedestrian alert sound, and the other from 
PublicResource.org regarding the availability to the general public of 
technical documents, including industry standards from SAE, ISO, and 
ANSI, incorporated by reference in the final rule.

Phase-In Schedule and Lead Time

    The Alliance/Global and Honda petitions along with a supplemental 
submission from Alliance/Global and a supporting comment from General 
Motors Corporation discussed several reasons related to vehicle design, 
development, and manufacturing that will make it very difficult if not 
impossible for manufacturers to meet the final rule's compliance phase-
in schedule. The petitions and supporting comments pointed out that 
there are significant differences between the final rule requirements 
and those in the NPRM, as well as differences between the final rule 
and a European regulation on minimum vehicle sound, that will force 
manufacturers to make changes to prospective vehicle designs. Even if a 
manufacturer had already incorporated NPRM specifications into future 
vehicle designs, more design lead time still is needed to accommodate 
final rule requirements. They also discussed the specific language used 
in the PSEA regarding phase-in of compliance and indicated they believe 
the PSEA requires NHTSA to provide an additional year of lead time 
before manufacturers must achieve full compliance with the standard.
    In consideration of these petitions and supporting documents, the 
agency recognizes that hybrid and electric vehicle product cycles that 
are in process for model years 2019 and 2020 may already be beyond the 
point where they could fully meet the final rule's compliance phase-in 
schedule.
    Thus, the agency has decided to grant the petitions from Alliance/
Global and Honda with respect to extending the lead-time for compliance 
with the final rule. In this document, we are specifying new compliance 
dates which delay by one full year the date in the final rule by which 
a fifty percent phase-in must be achieved (revised to September 1, 
2019) and the deadline date for full compliance of all vehicles subject 
to the requirements of the safety standard (revised to September 1, 
2020). We also are making conforming changes to the dates in the Part 
585 Phase-in Reporting requirements as amended by the December 14, 
2016, final rule.

Changes to Sameness Requirements

    The automakers that petitioned NHTSA stated that vehicles of the 
same model can have significant differences that might affect their 
sound output. For example, Honda pointed out that a two-door and four-
door car can have the same make/model designation. Vehicles of the same 
model designation also might have different powertrains and bodywork 
such as grille design and body cladding, which have the potential to 
influence both the emitted sound and the air-generated sound when the 
vehicle is in motion. The agency recognizes that, because of these 
differences, it is not accurate in all instances to consider all 
vehicles of the same make/model to be the same for the purposes of the 
FMVSS No. 141 requirement.
    Where the PSEA required ``the same sound or set of sounds for all 
vehicles of the same make and model,'' it was left up to NHTSA to 
interpret how ``model'' should be defined for the purpose of regulating 
similarity of the pedestrian alert sound. The agency therefore has 
decided to grant the Alliance/Global and Honda petitions with respect 
to this part of the ``Sameness'' requirement. We are amending the final 
rule so that alert sounds can vary across different vehicle trim levels 
in addition to varying by make, model, and model year as provided in 
the final rule.
    We note that the term ``trim level'' was suggested in the Alliance/
Global petition as the criterion that should be used to distinguish 
vehicles for the purpose of the FMVSS No. 141 Sameness requirements. 
Honda meanwhile suggested using the term ``series.'' ``Trim level'' is 
not a term that is defined in NHTSA regulations, while the term 
``series'' is defined in Part 565.12. However, according to another 
definition in Part 565.12, specifically the definition of ``model,'' a 
series is not considered a subset of a model, as it would appear Honda 
assumed it is. Therefore, we believe that the term ``series'' is not 
appropriate to use in this instance. We thus are modifying the 
regulatory text to account for different trim levels, but not 
``series.'' We believe amending the requirement in this way is the best 
approach for identifying groups of vehicles that are required to have 
the same pedestrian alert sound. This also will provide the added 
flexibility in the Sameness requirement that manufacturers are seeking, 
and it is responsive to both the Alliance/Global and Honda requests on 
this issue.
    The second change we are making to the Sameness requirements is to 
limit the criteria listed in paragraph S5.1.2 for verifying compliance. 
As requested by Alliance/Global, we are simplifying the listed criteria 
so that the digital sound file and the sound processing algorithms will 
be the only specific criteria that are required to be the same from one 
specimen test vehicle to another. The automakers stated that other 
Sameness criteria listed in the final rule, such as component part 
numbers, are hardware-

[[Page 8184]]

based criteria that should be excluded. One reason is that the PSEA 
statutory language allowed for ``reasonable manufacturing tolerances.'' 
They also stated that requiring hardware-based Sameness would 
unnecessarily impede competitive sourcing of components, a practice by 
which automakers source components from different suppliers such that 
the components may have dissimilar part numbers even though they are 
built to the same OEM specification and have the same performance. 
Alliance/Global also cited a legal precedent under which NHTSA 
regulations generally must avoid being design-restrictive except when 
there is a valid safety justification.

Modify Requirement for Alteration of OEM Alert Sound

    NHTSA has decided to grant Alliance/Global's request to amend the 
language in paragraph S8 of the final rule prohibiting the alteration 
of the alert sound originally equipped on a vehicle at the time of 
production. Alliance/Global and Honda state that this prohibition is 
unnecessarily restrictive and does not allow for ``reasonable 
manufacturing tolerance'' as required by the PSEA. Furthermore, they 
are concerned the final rule could prohibit vehicle repairs and recall 
remedies when hardware components such as an electronic control unit or 
body control module, which may by design be shared between the alert 
system and other vehicle systems, needs to be replaced.
    Although the agency is uncertain that the existing final rule 
language which prohibits altering the alert sound originally equipped 
on a production vehicle would impede any vehicle repairs or remedies, 
we are adopting this change to clarify the existing language because it 
was not the agency's intention to hinder vehicle repairs or recall 
remedies.

Reduce the Crossover Speed to 20 km/h

    NHTSA is denying Nissan's request to reduce the crossover speed 
from 30 km/h (18.6 mph) to 20 km/h (12.4 mph). Nissan's petition stated 
that NHTSA had not specifically addressed their NPRM comment regarding 
this issue. The Nissan petition did not provide new information or data 
on crossover speed that NHTSA had not considered when developing the 
final rule.
    NHTSA notes that the final rule did specifically address a JASIC 
study and test data which was the basis of the Nissan NPRM comment. 
More importantly, NHTSA included a new analysis in the final rule to 
address comments, including Nissan's, about the need to evaluate 
crossover speed using detectability criteria rather than by other 
methods. The new analysis in the final rule used the Volpe detection 
model which previously had been used to develop the final rule's 
acoustic specifications. In this new analysis, data from a selection of 
internal combustion engine (ICE) vehicles in coast down mode (engine 
off to simulate an EV or HV in electric mode) was analyzed using the 
Volpe model to determine whether the vehicle noise at each test speed 
(10, 20, and 30 km/h) had reached a detectable level. NHTSA's 
conclusion about this new detection-based analysis was that it did not 
support lowering the crossover speed to 20 km/h. Since this analysis 
was based on detection rather than comparisons to other vehicles, we 
believe it was responsive to the Nissan NPRM comments on crossover 
speed. Given that fact and the absence of new data in Nissan's 
petition, NHTSA has no basis to revise our previous conclusion about 
crossover speed.
    The agency also notes that the final rule contained other 
concessions that indirectly address manufacturer concerns about 
crossover speed. In the final rule, in addition to reducing the 
required number of bands from the proposed number of eight bands, all 
required minimum sound levels for each operating speed were reduced by 
4 dB to offset potential measurement variation. By virtue of this 
across-the-board reduction, the required sound levels at 30 km/h in the 
final rule are close to the proposed levels for 20 km/h in the NPRM for 
this rulemaking.
    Lastly, we note that safety organizations, particularly the 
National Federation of the Blind, have expressed their support of the 
30 km/h crossover speed and have not agreed that lowering it to 20 km/h 
is acceptable.
    The agency's position continues to be that lowering the crossover 
speed from the 30 km/h level, contained in both the NPRM and final 
rule, is not warranted by the available information, and we are denying 
the Nissan petition request on this issue.

Allow Driver-Selectable Alert Sounds

    NHTSA has decided to seek comment on Alliance/Global's request to 
allow hybrid and electric vehicles to be equipped with multiple, 
driver-selectable alert sounds before granting or denying this request. 
Amending the requirements to allow multiple sounds per vehicle would be 
a substantial change to the final rule. Because NHTSA did not solicit 
or receive comment on the number of driver-selectable sounds that 
should be allowed if NHTSA were to allow them, we believe it is 
appropriate to seek public comment before determining whether to grant 
this request. Therefore, in accordance with normal rulemaking 
administrative procedures, NHTSA tentatively plans to issue a separate 
document, which would provide an opportunity for public comment on this 
particular issue.

Technical Issues and Clarifications in the Honda and Nissan Petitions

    In addition to requesting specific changes to requirements in the 
final rule, the petitions raised technical issues relating to the 
acoustic specifications and test procedures and also asked for 
clarification on specific language in the final rule. These technical 
issues are summarized here and fully addressed later in this document.
    Technical issues raised in Nissan's petition included two items: 
First was a request to allow the use of adjacent instead of only non-
adjacent one-third octave bands for compliance; and second was a 
request to set the minimum band sum requirements for the 2-band 
compliance option to be equal to the corresponding overall SPLs of the 
4-band compliance option. We note that, while Nissan phrased these two 
issues as petition requests, we are treating them as technical 
clarifications because the final rule preamble included substantial 
explanation of the agency's rationale for specifying non-adjacent bands 
for compliance as well as the agency's methodology for selecting the 
band sum levels for the 2-band compliance option, and we do not believe 
that the information presented in Nissan's petition invalidates the 
agency's previous analysis, as explained later in this document. After 
giving these two technical requests from Nissan due consideration, the 
agency is not making any changes to the acoustic specifications in 
response to these requests.
    Honda's petition requested the following technical clarifications: 
Whether a vehicle can switch between 2-band and 4-band compliance at 
the different test speeds; which bands should be selected for 
compliance when the highest band levels above and below 1000 Hz are in 
adjacent rather than non-adjacent bands; and how to calculate the 
average of overall SPL values (section S7.1.4). Also, Honda requested 
that indoor testing be an option available for manufacturer 
certification in addition to outdoor testing.
    In reviewing the regulatory text of the December 2016 final rule to 
address Honda's petition, NHTSA identified

[[Page 8185]]

several inconsistencies and minor errors in section S7 of the 
regulatory text. Because the agency already was making a number of text 
changes to S7 to respond to Honda, NHTSA has taken this opportunity to 
correct and clarify the text as needed to resolve those inconsistencies 
and errors.

Comment About Availability of Documents Incorporated by Reference

    A submission to the docket from Publicresource.org was concerned 
with the public availability of technical documents that were 
incorporated by reference into the final rule. The documents in 
question are industry technical standards including an SAE recommended 
practice (in two versions), an ISO standard (in three versions), and an 
ANSI standard. Publicresource.org stated that various parties and 
members of the public that may have some interest in the rule would not 
have adequate access to these reference documents. This might include 
consumer protection groups, small manufacturers, hobbyists, and 
students. Publicresource.org did not specify why they believe 
availability would be limited or lacking, whether that would be due to 
cost of the documents or some other reason. The agency's position is 
that the subject reference documents for FMVSS No. 141 are available in 
the same manner as reference documents for any other FMVSS. For this 
rulemaking, the agency followed the same practice for handling 
reference documents as it always follows, as set forth in Section VI, 
Regulatory Notices and Analyses, in the final rule, as well as in the 
corresponding section at the end of this document.

II. Background

    NHTSA's involvement with the safety of quiet hybrid and electric 
vehicles and their impact on pedestrian safety goes back at least a 
decade to when the agency began monitoring efforts by various outside 
groups on this issue. In 2008 the agency held a public meeting on the 
safety of quiet vehicles and, the following year, initiated a 
statistical study of relevant pedestrian crashes and began researching 
the acoustical aspects of the safety problem.
    In January 2011, the U.S. Congress enacted legislation, the 
Pedestrian Safety Enhancement Act of 2010 (PSEA), which directed NHTSA 
to undertake rulemaking to create a new safety standard to require 
hybrid and electric vehicles to have a minimum sound level in order to 
help pedestrians, especially those with impaired eyesight, to detect 
those vehicles.
    In accordance with the PSEA, NHTSA issued an NPRM \3\ on January 
14, 2013, and a final rule \4\ on December 14, 2016, establishing FMVSS 
No. 141, ``Minimum Sound Requirements for Hybrid and Electric 
Vehicles.''
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    \3\ 78 FR 2797.
    \4\ 81 FR 90416.
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    NHTSA's conducted a statistical crash data study, as cited in the 
final rule,\5\ which found that the pedestrian crash rate of hybrid 
vehicles was 1.18 times greater than that of conventional ICE vehicles. 
The agency's Final Regulatory Impact Assessment is available in the 
docket \6\ with some proprietary information redacted. Also, the 
benefits of the final rule are summarized in section V-A \7\ of the 
final rule preamble, and the costs are summarized in section V-B.\8\
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    \5\ NHTSA Traffic Safety Facts--Research Note, Wu, J., Feb. 
2017, ``Updated Analysis of Pedestrian and Pedalcyclist Crashes with 
Hybrid Vehicles'' available at https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/812371.
    \6\ See docket NHTSA-2016-0125-0011 at www.regulations.gov.
    \7\ 81 FR 90505.
    \8\ 81 FR 90507.
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    NHTSA also completed an Environmental Assessment \9\ of the 
potential for increase in ambient noise levels in urban and non-urban 
environments in the U.S. which would result from a federal regulation 
setting minimum sound levels for hybrid and electric vehicles. The 
Environmental Assessment estimated that there will be only minimal 
impact in one type of non-urban scenario, and the overall environmental 
noise increase from the safety standard for HVs and EVs was found to be 
negligible.
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    \9\ See docket NHTSA-2016-0125-0009 at www.regulations.gov.
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A. Notice of Proposed Rulemaking

    Pursuant to the Pedestrian Safety Enhancement Act, NHTSA issued a 
Notice of Proposed Rulemaking (NPRM) \10\ in January 2013 to create a 
new FMVSS setting minimum sound level requirements for low-speed 
operation of hybrid and electric light vehicles.
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    \10\ 78 FR 2798.
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    The NPRM proposed a crossover speed of 30 km/h (18.6 mph) because 
at that speed, based on NHTSA tests that used a ``peer vehicle'' 
comparison methodology, tire noise, wind resistance, and other noises 
from the vehicle eliminated the need for added alert sounds. In the 
agency's tests, the sound levels of a selection of electric and hybrid 
vehicles were evaluated and compared to the sound levels of vehicles 
having the same or similar make, model, and body type but operating 
with internal combustion engines (ICEs). For example, the sound level 
of a hybrid Toyota Camry in electric mode in a pass-by test at 20 km/h 
was directly compared to the sound level of a conventional gas-engine 
Toyota Camry of the same model year at the same pass-by speed of 20 km/
h.
    The NPRM specified an outdoor compliance test procedure based on 
the September 2011 version of SAE J2889-1. The compliance procedure 
included tests for stationary, reverse, and pass-by measurements 
conducted at 10 km/h (6.2 mph), 20 km/h (12.4 mph), and 30 km/h (18.6 
mph). We explained in the NPRM that NHTSA believed that outdoor pass-by 
testing is preferable to indoor testing in hemi-anechoic chambers using 
chassis dynamometers because outdoor testing is more representative of 
the real-world interactions between pedestrians and vehicles. We also 
expressed concern that specifications for indoor testing were not fully 
developed and did not have a known level of objectivity, repeatability, 
and reproducibility for testing minimum vehicle sound at low speeds.
    The NPRM proposed a Sameness requirement in order to ensure that 
hybrid and electric vehicles of the same make and model emit the same 
sound, as directed by the PSEA. The NPRM proposed that vehicles of the 
same make, model, and model year must emit the same level of sound 
within 3 dB(A) in each one-third octave band from 160 Hz to 5000 Hz.

B. Final Rule

    As noted, the final rule was published on December 14, 2016, and 
established FMVSS No. 141 which applies to electric and hybrid-electric 
passenger cars, MPVs, light trucks, and buses with a GVWR of 10,000 
pounds or less and to low speed vehicles (LSVs). The standard applies 
to these vehicles if they can be operated in an electric mode in the 
test conditions covered by the standard, without an any internal 
combustion engine (ICE) operation. The final rule requires hybrid and 
electric vehicles to emit sound at minimum levels while the vehicle is 
stationary (although not when the vehicle is parked, i.e., when the 
transmission is in ``park''), while in reverse, and while the vehicle 
is in forward motion up to 30 km/h. It also adopted the agency's 
proposal to conduct compliance testing outdoors.
    In the final rule, the agency reduced the number of one-third 
octave bands for which vehicles must meet minimum sound pressure level 
requirements. The NPRM proposed that vehicles would

[[Page 8186]]

have to emit sound meeting minimum requirements in eight one-third 
octave bands. In the final rule, hybrid and electric vehicles will 
instead have to meet a requirement based on sound level in either two 
or four one-third octave bands at the vehicle manufacturer's option, 
and a vehicle may alternate between meeting the 2-band and 4-band 
specifications depending on test speed. Vehicles complying with the 4-
band option must meet minimum sound pressure levels in any four non-
adjacent one-third octave bands between 315 Hz and 5000 Hz, including 
the one-third octave bands between 630 Hz and 1600 Hz (these bands were 
excluded in the NPRM). Vehicles complying with the 2-band option must 
meet minimum sound pressure levels in two non-adjacent one-third octave 
bands between 315 Hz and 3150 Hz, with one band below 1000 Hz and the 
other band at or above 1000 Hz. The two bands used to meet the 2-band 
option also must meet a minimum band sum level.
    Under the 4-band compliance option, the minimum sound levels for 
each band are slightly lower than the values proposed in the NPRM, and 
the overall sound pressure of sounds meeting the 4-band option will be 
similar to those meeting the proposed eight-band requirements in the 
NPRM. Under the 2-band compliance option, the minimum sound 
requirements for each band are lower than those of the proposed eight-
band requirements for the low and mid frequency bands (315 Hz through 
3,150 Hz; the 4,000 Hz and 5,000 Hz bands are not included for the 
purpose of determining compliance with the 2-band requirement.) Neither 
the 4-band compliance option nor the 2-band compliance option include 
requirements for tones or broadband content that were contained in the 
NPRM.
    For both the 2-band and 4-band compliance options, the final rule 
expands the range of acceptable one-third octave bands to include those 
between 630 Hz and 1600 Hz (these bands were excluded in the NPRM). It 
also reflects an across-the-board reduction in the minimum levels of 4 
dB(A) to account for measurement variability which the agency's 
development of test procedures indicated was needed.
    Reducing the number and minimum levels of required one-third octave 
bands while expanding the number of useable bands in the final rule 
provided additional flexibility to manufacturers for designing 
pedestrian alert systems while preserving the goal of pedestrian alert 
sounds that are detectable in various ambient environments.
    Regarding Sameness, NHTSA revised the criteria for determining that 
the sound produced by two HVs or EVs of the same make, model, and model 
year is the same. The agency determined that the NPRM requirement for 
the sound produced by two specimen vehicles to be within three dB(A) in 
every one-third octave band between 315 Hz and 5000 Hz was technically 
not feasible. The final rule instead requires that HVs and EVs of the 
same make, model, and model year emit the same sound by specifying that 
those vehicles use the same alert system hardware and software, 
including specific items such as the same digital sound file to produce 
sound used to meet the minimum sound requirements. The final rule 
listed several other criteria including part numbers of alert system 
components that may be evaluated to verify compliance with the Sameness 
requirement.
    The final rule made numerous improvements to the proposed test 
procedures in response to comments that were received on the NPRM.
    With regard to the phase-in schedule for the safety standard, the 
NPRM proposed a phase-in schedule for manufacturers of HVs and EVs, 
with 30 percent of the HVs and EVs they produce required to comply 
three years before the date for full compliance established in the 
PSEA, 60 percent required to comply two years before the full-
compliance date, and 90 percent required to comply one year before the 
full-compliance date. To respond to comments on that proposal, the 
final rule simplified the phase-in schedule by shortening it to include 
a single year of phase-in, rather than three years. This simplification 
provides somewhat more lead-time and responds to vehicle manufacturers' 
comments that the proposed phase-in was unnecessarily complex.
    Under the final rule, half of each manufacturer's HV and EV 
production would have been required to comply with the final rule by 
September 1, 2018, and 100 percent by September 1, 2019. The phase-in 
does not apply to multi-stage and small volume manufacturers; all of 
their HV and EV production would have been required to comply with the 
final rule by September 1, 2019.

III. Petitions for Reconsideration Received by NHTSA

    In response to the published final rule on Minimum Sound 
Requirements for Hybrid and Electric Vehicles, NHTSA received timely 
petitions for reconsideration (submitted by the January 30, 2017, 
deadline) from three sources: The Auto Alliance in conjunction with 
Global Automakers \11\ (Alliance/Global); Nissan North America, 
Inc.\12\ (Nissan); and American Honda Motor Company, Inc.\13\ (Honda). 
Alliance/Global \14\ also submitted a supplemental letter in support of 
their petition. In addition, General Motors Corp, Inc., submitted a 
letter providing support on one of the issues raised by Alliance/Global 
and Honda. (The GM letter contained proprietary information, so it has 
not been released to the docket.)
---------------------------------------------------------------------------

    \11\ See docket NHTSA-2016-0125-0012.
    \12\ See docket NHTSA-2016-0125-0013.
    \13\ See docket NHTSA-2016-0125-0014.
    \14\ See docket NHTSA-2016-0125-0016.
---------------------------------------------------------------------------

    These petitions requested several changes covering several aspects 
of the final rule. NHTSA identified the following six discrete requests 
for changes to specific requirements (listed here in the approximate 
order they appear in the Alliance/Global, Honda, and Nissan petitions):
    1. To delay by one year both the compliance phase-in date and the 
date by which all vehicle production must comply with the rule (section 
S9);
    2. To consolidate the compliance criteria for the Sameness 
requirement (section S5.5.2) to include only the digital sound file and 
digital processing algorithm;
    3. To modify the Sameness requirement (S5.5.1) to allow alert 
sounds to vary by trim level or model series rather than just by make/
model;
    4. To modify section S8, which prohibits altering the factory-
equipped alert sound, so as not to impede vehicle repairs when 
components of the alert system are shared with other vehicle systems;
    5. To lower the crossover speed from 30 km/h (18.6 mph) to 20 km/h 
(12.4 mph);
    6. To modify the Sameness requirement so that a vehicle can be 
equipped with a suite of up to five driver-selectable alert sounds.
    In addition to these specific requests for amendments to the final 
rule, some of the petitions included requests for technical 
clarifications. Nissan's submission included two such requests, one 
concerning the minimum sound levels for 2-band and 4-band 
specifications, and the other regarding allowing adjacent bands for 
compliance. Similarly, Honda's submission pointed out a few technical 
clarifications they believe are needed, involving the intended use of 
2-band and 4-band compliance options, the correct method

[[Page 8187]]

of data selection and calculation for certain steps in the sound 
evaluation process, and the option of using indoor testing.
    Lastly, NHTSA received one additional docket comment, from 
PublicResourse.org,\15\ that the agency has decided to address in this 
document. This comment was in regard to the availability to the public 
of technical reference documents, specifically several industry 
standards from SAE, ISO, and ANSI, that were incorporated by reference 
in the final rule. This docket submission in discussed in more detail 
below.
---------------------------------------------------------------------------

    \15\ See docket NHTSA-2016-0125-0004.
---------------------------------------------------------------------------

A. Alliance/Global Petition for Reconsideration and Letters of Support

    The Alliance/Global petition addressed requirements for: Compliance 
phase-in schedule; equipping HVs and EVs with driver-selectable sounds; 
applying Sameness to each ``trim level'' rather than each model; 
limiting the Sameness compliance criteria to the digital sound file and 
digital algorithm; and removing any prohibition on altering vehicle 
components that may be shared between the alert system and other 
vehicle systems.
    Regarding the phase-in schedule, in addition to discussing design 
and manufacturing considerations that would make the final rule 
schedule unfeasible, Alliance/Global's petition pointed out that 
NHTSA's interpretation of the PSEA language regarding compliance dates 
appeared to have changed between the NPRM and the final rule. The 
petition argued that the earlier interpretation was the correct one and 
that, under that interpretation, the agency is required to provide an 
additional year of lead-time before full compliance is required.
    Alliance/Global submitted a supplementary letter which provided 
further detail on the phase-in schedule and the issue of driver-
selectable sounds. On the phase-in, the supplemental submission 
discussed specific final rule requirements that had changed since the 
NPRM. It also noted several areas where the final rule is different 
from the UN Regulation No. 138. In their supplementary submission, 
Alliance/Global also indicated that, if a set of driver-selectable 
sounds was permitted, manufacturers would limit the number to no more 
than five different sounds per make, model, model year, and trim level 
of vehicle.
    A letter in support of the Alliance/Global petition submitted by GM 
(submitted under a request for confidentiality) addressed the issue of 
phase-in schedule. This letter stated, ``While GM supports NHTSA's 
effort to create minimum sound requirements for electric and hybrid 
vehicles, the final rule contains a number of additional technical 
challenges that will require substantial redesigns to GM's existing 
systems.'' GM's letter also stated, ``The twenty-month phase-in 
provided by the final rule is far less than the normal timing required 
to develop, validate, and certify new systems.'' GM cited the final 
rule's volume shift requirement, different frequency range, and several 
design changes that will be needed in the sound generating systems that 
GM already has been installing in its electric and hybrid production 
vehicles. The GM letter cited specific hardware changes, upgrades, and 
replacements that their current alert systems need to be compliant with 
FMVSS No. 141.
    Most recently, on August 4, 2017, the Alliance of Automobile 
Manufacturers (the Alliance), the Association of Global Automakers 
(Global) and the National Federation of the Blind (NFB) wrote the 
Deputy Secretary of the Department of Transportation requesting that 
the December 2016 final rule be permitted to come into effect on 
September 5, 2017. The letter also requested that by September 5, 2017, 
NHTSA amend the compliance date of the December 2016 final rule to 
delay the phase-in and full compliance dates by one year and by 
November 6, 2017, respond to the remaining technical issues in the 
pending petitions for reconsideration.

B. Honda Petition for Reconsideration

    Honda's petition included two specific petition requests, one 
regarding the phase-in schedule, and the other regarding allowance for 
alert sounds to vary from vehicle to vehicle according to model 
``series'' as well as make, model, and model year. The remainder of 
Honda's submission was concerned with technical clarifications and 
comments on the rule. Honda asked if it is acceptable under the 2-band 
and 4-band compliance specifications for a vehicle to switch back and 
forth between the two specifications at the different speed conditions 
of the test procedure. Honda also asked NHTSA to clarify section 
S7.1.6(e)(i) of the test procedure, noting that there could be a 
conflict when choosing the two highest band levels while also choosing 
only non-adjacent bands for the compliance evaluation. In addition, 
Honda asked NHTSA to clarify the calculation method for averaging 
overall SPLs in section 7.1.4(c) of the test procedure.
    Lastly, Honda stated that indoor testing should be optional for 
FMVSS No. 141 compliance evaluations and is preferable because of the 
better stability and the efficiency of indoor sound measurements, and 
also because, from a harmonization standpoint, that would better align 
the safety standard with UN Regulation No. 138 which permits indoor 
measurements.

C. Nissan Petition for Reconsideration

    Nissan submitted a cover letter and technical slides in which they 
requested that NHTSA reconsider its decision in the final rule on the 
crossover speed, which the agency set at 30 km/h (18.6 mph). Nissan 
stated that they believe the crossover speed should be set at 20 km/h, 
and cited a previous comment \16\ that Nissan had submitted to the 
docket in May 2014 in response to the agency's NPRM and which 
summarized a JASIC study related to crossover speed. Nissan stated that 
NHTSA did not address this comment in the final rule.
---------------------------------------------------------------------------

    \16\ See docket NHTSA-2011-0148-0326.
---------------------------------------------------------------------------

    Nissan's petition also raised two technical issues. The first was a 
request that NHTSA allow the use of adjacent instead of only non-
adjacent one-third octave bands for compliance. The second issue was a 
request to set the minimum band sum requirements for the 2-band 
compliance option to be equal to the minimum overall SPLs for the 4-
band compliance option. Although these two issues raised by Nissan ask 
the agency to reconsider specific requirements of the final rule and 
request specific changes, we believe these two issues were addressed in 
the discussion of NHTSA's acoustic research in the final rule preamble. 
Thus, we have decided it is appropriate to treat these issues as 
technical clarifications.

D. Other Issues

    A comment from Publicresource.org expressed concern with public 
availability of technical documents that were incorporated by reference 
into the final rule. The documents in question are industry technical 
standards including an SAE recommended practice (in two versions), an 
ISO standard (in three versions), and an ANSI standard. 
Publicresource.org stated that various parties such as consumer 
protection groups, small manufacturers, hobbyists, and students would 
not have adequate access to these reference documents. 
Publicresource.org did not specify why that would be the case, i.e., 
whether it is due to the cost of the documents when purchased from 
their respective technical organizations, or some other reason.

[[Page 8188]]

IV. Agency Response and Decision

    As outlined in the previous section of this document, the petitions 
requested a number of changes covering several aspects of the final 
rule. NHTSA identified six discrete requests for changes to specific 
requirements. As stated previously, to facilitate responding to the 
petitions, the agency is treating each of the six issues as separate 
requests and addressing each request individually below.
    After considering all information provided by petitioners, NHTSA is 
granting four of the requested actions, denying one request (on 
crossover speed), and for the last item (on driver-selectable sounds), 
the agency has decided that it will be necessary to request public 
comment before deciding how to respond to that request, and NHTSA 
intends to issue a notice of proposed rulemaking (NPRM) or other 
Federal Register document on that issue.
    In regard to the four petition requests that the agency is 
granting, we are amending the final rule to implement the following 
changes:
     Amend Section S9, Phase-In Schedule, to add exactly one 
year to each of the dates listed in subsections S9.1, S9.1(a), S9.1(b), 
and S9.2.
     Amend Section S5.5, Sameness requirement, subsection 
S5.5.1, to allow alert sounds to vary across different trim levels, and 
also amend Section S4, Definitions, to add a new definition for ``trim 
level.''
     Amend Section S5.5, Sameness requirement, subsection 
S5.5.2, to limit the criteria listed in the final rule to be used for 
verifying compliance with the Sameness requirement so that the digital 
sound file and the sound processing algorithm are the only criteria 
that are required to be the same. Other criteria, particularly part 
numbers of hardware components, would not be listed in the regulatory 
text.
     Amend Section S8, Prohibition on altering the sound of a 
vehicle subject to this standard, to clarify that the rule does not 
prohibit vehicle repairs unrelated to the alert system in the case of 
replacement of hardware components shared between the alert system and 
other vehicle systems, i.e., a body control module.
    These amendments to the final rule and the agency's reasons for 
adopting them are further discussed below. In general, we believe these 
changes to the final rule are worthwhile refinements that will clarify 
the requirements, provide more flexibility to vehicle manufacturers, 
and remove potential barriers to achieving compliance, while having no 
foreseeable impact on the safety benefits estimated in the December 
2016 final rule, as this rule simply corrects an error in the original 
final rule related to the phase-in schedule and does not make changes 
that affect the substance of the required alert sound.
    Our decision to deny one request, as well as the agency's intent to 
seek comment on one issue, also are discussed in detail below. In 
addition, we address some technical issues raised and other comments 
relating to the final rule.

A. Phase-In Schedule, Compliance Dates, and Lead Time

    The agency has decided to grant the petitions from Alliance/Global 
and Honda with respect to extending the lead-time for compliance by 
extending the phase-in date and the full compliance date by one year. 
NHTSA is also addressing supplemental submissions from Alliance/Global 
and General Motors Corporation (GM) that provided information on the 
lead time issue.
    After further consideration, we agree with the petitioners that the 
interpretation of the PSEA phase-in requirements provided by the agency 
in the NPRM is the correct interpretation and that delaying the full 
compliance date until September 1, 2020 is required by that 
interpretation. The PSEA states that, ``The motor vehicle safety 
standard . . . shall establish a phase-in period for compliance, as 
determined by the Secretary, and shall require full compliance . . . on 
or after September 1 of the calendar year that begins 3 years after the 
date on which the final rule is issued.'' In the NPRM, the agency had 
stated that the appropriate timeframe should be the calendar year 
beginning 36 months after the rule was issued, such that, if a rule 
were issued anytime in 2016, the 36-month period after the date of 
publication of the final rule would end sometime in 2019. Thus, the 
first calendar year that would begin after that date in 2019 would be 
calendar year 2020, meaning that full compliance should be by September 
1, 2020. The agency believes that its interpretation from the NPRM 
continues to be the correct interpretation of the PSEA. In fact, upon 
review, the agency did not actually change this interpretation in the 
Final Rule, as the phase-in schedule and economic analysis were based 
on the assumption that the rule would be published in 2015, rather than 
2016, which is what actually occurred. The agency now corrects this 
error.
    Further, NHTSA agrees that, because of vehicle product cycles, it 
would be difficult for manufacturers to make the design modifications 
necessary for vehicles subject to FMVSS No. 141 to meet the current 
final rule phase-in schedule and full compliance date, especially in 
light of the significant changes from the NPRM and the uncertainty 
surrounding the issues raised in the petitions for reconsideration.
    In the Final Rule, the agency estimated that the economic impact of 
the rule for MY 2020 vehicles was $42M to $41.5M in costs and $320M to 
$247.5M in benefits at the 3 percent and 7 percent discount rates. 
However, in light of the issues raised in the petitions and the more 
recent letter from the Alliance, Global, and NFB, the agency believes 
that the analysis in the final rule may likely have understated the 
initial costs to comply with the rule. More specifically, the analysis 
was based on a less aggressive phase-in schedule and as such, does not 
support a 100 percent compliance date of September 1, 2019. In fact, 
comments received indicate that the more accelerated phase-in schedule 
than what the agency had intended is not technically possible, which 
calls in to question the relationship between benefits and costs 
presented in the Final Rule. By delaying the compliance date by one 
year, the economic impacts of the rule will more closely mirror those 
presented in support of the Final Rule.
    In this document, we are specifying new compliance dates which 
delay by one full year both corresponding dates in the final rule, 
i.e., the date by which a fifty percent phase-in must be achieved and 
also the deadline date for full compliance of all vehicles subject to 
the requirements of the safety standard. Under the amended one-year 
phase-in, half of vehicles produced in model year 2020 must be 
compliant, as follows:
     Fifty percent of each manufacturer's total production of 
hybrid and electric vehicles, subject to the applicability of FMVSS No. 
141 and produced on and after September 1, 2019, and before September 
1, 2020, shall comply with the safety standard;
    OR, at the manufacturer's option: 50 percent of each manufacturer's 
average annual production of hybrid and electric vehicles subject to 
the applicability of FMVSS No. 141 and produced on and after September 
1, 2016, and before September 1, 2019, shall comply with the safety 
standard.
    Immediately following the one-year phase-in, starting with model 
year 2021, all hybrid and electric vehicles are required to comply, as 
follows:
     100 percent of each manufacturer's production of hybrid 
and electric

[[Page 8189]]

vehicles subject to the applicability of FMVSS No. 141 and produced on 
and after September 1, 2020, shall comply with the safety standard.
    In making these changes to the compliance schedule, we believe this 
will afford manufacturers the additional flexibility and lead time 
needed to accommodate customary vehicle design cycles, thus addressing 
the schedule concerns expressed in their petitions.
    As a consequence of the revised phase-in schedule, it is necessary 
to make conforming adjustments to the Part 585 reporting requirements 
in order to align them with the new phase-in period. The conforming 
changes to Part 585 are detailed below.
Phase-In Reporting
    When a new safety regulation is phased in over a period of time, 
NHTSA requires manufacturers to submit production data so the agency 
can track and verify adherence to the phase-in schedule. Part 585 of 
Title 49 of the CFR contains the requirements for Phase-in Reporting 
for various FMVSS. To implement the one-year, 50-percent phase-in for 
FMVSS No. 141, the December 2016 final rule included amendments to Part 
585, appending new Subpart N, to provide for tracking of production 
data so that the agency can verify that the requisite minimum 
percentage of vehicles are in compliance during the phase-in.
    As a result of the amended phase-in schedule contained in this 
document, we are making corresponding adjustments to the phase-in 
reporting dates of Part 585, Subpart N, as amended in the December 14, 
2016, final rule. This entails adding one year to the due dates in the 
following paragraphs of Part 585, Subpart N: Sec.  585.130 
`Applicability'; Sec.  585.132 `Response to Inquiries'; Sec.  585.133 
`Reporting Requirements'; and Sec.  585.130 `Records.' These revisions 
appear in the regulatory text at the end of this document.

B. Sameness Requirement for Same Make, Model, Model Year Vehicles

    The petitions from Alliance/Global and Honda requested that NHTSA 
amend section S5.5.1 of the Sameness requirement in the final rule 
regulatory text. That section required all vehicles of the same make, 
model, and model year to use the same pedestrian alert sound system and 
be designed to have the same sound. This requirement originated from 
the PSEA which stipulated that the safety standard ``shall require 
manufacturers to provide, within reasonable manufacturing tolerances, 
the same sound or set of sounds for all vehicles of the same make and 
model. . . .''
    The automakers stated that vehicles of the same model can have 
significant differences unrelated to the alert sound system that might 
affect their sound output. For example, Honda pointed out that a two-
door and four-door car can have the same model designation. Vehicles of 
the same model designation also might have different powertrains and 
bodywork such as grille design and body cladding, which have the 
potential to influence both emitted sound and the air-generated sound 
when the vehicle is in motion.
    Alliance/Global requested that NHTSA add the term ``trim level'' to 
``make, model, and model year'' in S5.5.1 so that vehicles of the same 
make/model would be required to have the same sound only if the 
vehicles also have the same trim level designation. This would give 
manufacturers flexibility to allow the alert sound to vary among 
vehicles that, while having the same make/model designation, may 
nevertheless be physically different in significant ways. Honda made a 
similar request but, instead of the term ``trim level,'' Honda 
requested using the term ``series.''
    The agency recognizes that, because of the possibility of 
physically significant differences between vehicles within a model 
line, it is not practical to consider all vehicles of the same make/
model to be the same for the purposes of the pedestrian alert sound. 
The agency therefore has decided to grant the Alliance/Global and Honda 
petitions with respect to this aspect of the ``Sameness'' requirement. 
We are amending the final rule so that alert sounds can vary across 
different vehicle trim levels and also by vehicle body type, in 
addition to varying by make, model, and model year as provided in the 
final rule.
    For the revised requirement, ``body type'' is added and is used as 
defined in 49 CFR 565.12(b) which states, ``Body type means the general 
configuration or shape of a vehicle distinguished by such 
characteristics as the number of doors or windows, cargo-carrying 
features and the roofline (e.g., sedan, fastback, hatchback).''
    The request on this issue in Alliance/Global petition used the term 
``trim level'' as the designation criterion that would distinguish 
vehicles for the purpose of Sameness requirements in FMVSS No. 141, 
while Honda suggested using the term ``series.'' We note that ``trim 
level'' is not a term that is defined anywhere in NHTSA regulations, 
while the term ``series'' is defined in Part 565.12.\17\ However, it 
also should be noted that, per the definition of ``model'' also 
included in Part 565.12, a ``series'' would not be considered a subset 
of a model. On the contrary, a ``model'' as defined in Part 565.12 is a 
subset of a ``series.'' Therefore, the agency believes based on the 
existing definitions that ``series'' does not reflect a subdivision of 
a model line, as Honda seems to have intended. On the other hand, we 
believe the term ``trim level'' is widely understood to denote a subset 
of a model, which is what the petitioners seek to achieve according to 
the information they provided on this issue. Therefore, we are 
modifying the regulatory text to account for different trim level 
designations, without reference to or use of the term ``series.''
---------------------------------------------------------------------------

    \17\ See 49 CFR 565.12, Definitions.
---------------------------------------------------------------------------

    For this revised requirement, ``trim level'' is defined to mean a 
subset of vehicles within the same model designation and with the same 
body type which are alike in their general level of standard equipment, 
such as a ``base'' trim level of a vehicle model. Other trim levels 
within a model might include a ``sport'' version or ``luxury'' version. 
These depend on the trim designations that are used by different 
manufacturers. Generally, different trim levels comprise no more than a 
few different versions of a given model. For the purposes of FMVSS No. 
141, minor differences including different wheel rim styles or merely 
being equipped with a sunroof should not be considered to constitute 
different trim levels. Trim levels should be considered to be different 
only if they represent vehicle differences that are likely to alter 
vehicle-emitted sound. We are including a definition of ``trim level'' 
in section S4 of the regulatory text to reflect this.
    We believe relaxing the final rule in this manner will adequately 
distinguish between groups of vehicles that, based on their physical 
similarity, can reasonably be required to have the same pedestrian 
alert sound. This change will provide the added flexibility in meeting 
the Sameness requirement that the manufacturers are seeking. At the 
same time, this change is acceptable from a regulatory standpoint given 
that the agency's understanding of the PSEA language was to allow for 
variation of alert sounds across different groups of vehicles so long 
as vehicles that are the same in most other respects would have the 
same alert sound. As pointed out by petitioners, vehicles of the same 
model might not be the same in many respects, but vehicles of the same 
trim level would be the same.

[[Page 8190]]

    The regulatory text of sections S4 and S5.5.1 amended per the above 
discussion appears at the end of this document.

C. Criteria for Sameness of Production Vehicles

    The petitions from Alliance/Global and Honda raised concerns about 
the wording in S5.5.2 of the Sameness requirement. Paragraph S5.5.2 
states that a ``pedestrian alert system'' includes all hardware and 
software components that are used to generate the alert sound. That 
section goes on to specifically list the types of vehicle components, 
including both hardware and software, that comprise a pedestrian alert 
system and that must be the same on any two vehicles of the same make, 
model, and model year. Among the listed items that must be the same are 
``alert system hardware components including speakers, speaker modules, 
and control modules, as evidenced by specific details such as part 
numbers and technical illustrations.''
    The petitioners believe that this requirement is overly design-
restrictive. In particular, they are concerned that requiring part 
numbers to be the same is not feasible. Alliance/Global stated, ``The 
regulatory text as written places part-number specific restrictions on 
a vast number of components and as a result creates a major impediment 
for manufacturing.'' They also state, ``OEMs may choose to source 
components from more than one vendor, and requiring the use of the 
`same' hardware and software may preclude that competitive process.'' 
They go on to say that the final rule is inconsistent with the Vehicle 
Safety Act stipulation that each FMVSS must permit a manufacturer to 
select any technology that can meet the performance requirements. 
Similarly, Honda's petition stated that, in cases where a shared 
component such as an ECU that serves multiple vehicle functions is 
modified during a model year due to changes in vehicle systems other 
than the alert system, ``the ECU part number would change, thus causing 
a violation of the Sameness requirement.''
    The agency has decided to amend the Sameness requirements as 
requested to limit the criteria listed in the final rule for verifying 
compliance so that the digital sound file and the sound processing 
algorithm will be the only criteria that are required to be the same 
from one specimen test vehicle to another. The petitioners stated that 
other Sameness criteria listed in the final rule are hardware-based 
criteria, such as component part numbers, and should not be included 
because it appears to disregard the statutory requirement to allow 
``reasonable manufacturing tolerances.'' Also, requiring hardware-based 
Sameness would unnecessarily impede competitive sourcing of components 
and related vehicle manufacturing and assembly practices. For example, 
automakers may source a component from different suppliers, such that 
the components have dissimilar part numbers even though they are built 
to the same OEM specification and have the same performance. Alliance/
Global also cited a legal precedent under which NHTSA regulations 
generally must avoid being design-restrictive except when there is a 
valid safety justification.
    To implement the amendment described above, the agency is adopting 
new language based largely on that suggested by Alliance/Global. The 
revisions to paragraph S5.5.2 acknowledge two types of design of a 
digital sound-generating system. In simple terms, one type uses a 
digitally coded source, such as a digitally recorded sound file, which 
is processed by a controller program and played back through the 
speaker system. Another type creates the sound without a source file 
using programmed algorithms that generates the signal that is played 
back through the speaker system.

D. Alteration of the OEM Alert Sound

    Section S8 of the final rule has the heading ``Prohibition on 
altering the sound of a vehicle subject to this standard.'' This 
requirement is unchanged from what the agency proposed in the NPRM, and 
it originated from a PSEA requirement stating that the safety standard 
must ``prohibit manufacturers from providing any mechanism for anyone 
other than the manufacturer or the dealer to disable, alter, replace, 
or modify the sound'' except to remedy a noncompliance or defect.
    NHTSA's interpretation of the purpose of this requirement in the 
PSEA was to prevent access to vehicle features which control the alert 
sound system so that it could not be modified, adjusted, or reprogramed 
in a way that would change the emitted sound or render it noncompliant. 
In other words, the alert system needs to be tamper-resistant to some 
extent. For example, a vehicle's owner-accessible setup menus should 
not include a setting that disables the alert system.
    The Alliance/Global expressed concern with NHTSA's wording of this 
requirement in the final rule. They stated, ``An OEM may decide to 
install a body controller or other component that may not be dedicated 
solely to FMVSS 141 compliance, but which is installed--in part--to 
comply with FMVSS 141. The PSEA does not preclude actions to repair 
such a body controller for reasons unrelated to FMVSS 141, yet the 
final rule appears to preclude such repairs.'' They also state that the 
requirement in the final rule exceeds the authority granted by the 
PSEA. Alliance's/Global's petition contained suggested edits to the 
regulatory text that would remove the potential conflict in the 
regulatory text.
    Alliance/Global also stated that the final rule was unnecessarily 
restrictive on this issue, and it did not allow for ``reasonable 
manufacturing tolerance'' as stipulated in the PSEA. Furthermore, they 
along with Honda are concerned the final rule could prohibit vehicle 
repairs or create other obstacles to vehicle updates when components 
such as an electronic control unit or body control module are shared 
between the alert system and other vehicle systems.
    We have decided to grant the request to modify the final rule with 
respect to this issue. Although the agency is uncertain that the 
existing final rule language in section S8 actually would impede any 
vehicle repair or upgrade, we are adopting this change because the 
language should be clear, and because it was not the agency's intention 
to hinder any vehicle repair or remedy unrelated to the pedestrian 
alert system.
    The amended text we are adopting is that suggested by Alliance/
Global. The revisions appear in the amended text of section S8 at the 
end of this document.

E. Crossover Speed

    Nissan's petition request to lower the crossover speed revisits the 
issues raised in Nissan's comments to the NPRM. Nissan stated that 
NHTSA did not specifically address their May 19, 2014 submission to the 
NPRM docket on crossover speed. Nissan's petition for reconsideration 
did not provide any new information or data that was not already 
considered by the agency when developing the final rule.
    NHTSA notes that the final rule specifically addressed a JASIC 
study \18\ and test data which was the basis of Nissan's submission. 
More importantly, NHTSA included a new analysis in the final rule to 
address comments, including Nissan's, about the need to evaluate 
crossover speed using detectability criteria rather than by other 
methods. (Those other methods included comparisons of ICE sound levels 
with the engine on and engine off, referred to as the ``coast down'' 
method; and also, comparisons of the sound

[[Page 8191]]

level of EVs or HVs to identical or similar ICE vehicles, called the 
``peer vehicle'' method.) For the final rule, NHTSA added a new 
detectability analysis for crossover speed using the Volpe detection 
model \19\ which had been used to develop the final rule's acoustic 
specifications. In this new analysis, data from a selection of ICE 
vehicles in coast down mode (engine off to simulate EVs and HVs in 
electric mode) was analyzed by the Volpe model to determine whether the 
vehicle noise at each test speed (10, 20, and 30 km/h) had reached a 
detectable level. NHTSA's conclusion from this new detection-based 
analysis, which we included in the final rule preamble to respond to 
comments, was that it did not support lowering the crossover speed to 
20 km/h (12.4 mph). Furthermore, since this analysis was based on the 
detection model rather than comparisons between vehicles, it provides a 
more useful means of identifying the speed at which added sound is no 
longer needed than peer vehicle and coast down comparisons.\20\ As 
Nissan's petition cited their previous comment based on the existing 
JASIC study rather than providing new information, NHTSA has no basis 
to revise our previous conclusion about crossover speed.
---------------------------------------------------------------------------

    \18\ See 81 FR 90447.
    \19\ Hastings, et al. Detectability of Alert Signals for Hybrid 
and Electric Vehicles: Acoustic Modeling and Human Subjects 
Experiment. (2015) Washington, DC: DOT/NHTSA; available at 
www.regulations.gov, Docket NHTSA-2016-0125-0010.
    \20\ The PSEA defines ``crossover speed'' as the speed at which 
tire noise, wind resistance, or other factors eliminate the need for 
a separate alert sound. Because NHTSA's detection model attempts to 
determine when a vehicle would be detectable to pedestrians based on 
the sound from tire noise, wind resistance, and other factors that 
may be present, NHTSA contends that the detection model is the 
method for determining crossover speed most consistent with the 
language of the PSEA.
---------------------------------------------------------------------------

    The agency also notes that the final rule contained concessions 
that indirectly address manufacturer concerns about crossover speed. In 
the final rule, the minimum number of required one-third octave band 
components was reduced from the proposed number of eight bands. In 
addition, all of the required minimum sound levels for each operating 
speed were reduced by 4 dB to offset potential measurement variation. 
By virtue of these changes to the acoustic specifications, the overall 
level of sounds meeting the final rule acoustic requirements at 30 km/h 
(60 to 64 dB(A) for the 4-band option) is very similar to the overall 
level of sounds meeting the NPRM's proposed 8-band requirements at 20 
km/h (approx. 62 dB(A)).
    For all the reasons stated above, the agency's position continues 
to be that lowering the crossover speed from the 30 km/h level 
contained in both the NPRM and final rule is not warranted, and we are 
denying the Nissan petition request on this issue.

F. Technical Clarifications in the Nissan and Honda Petitions

Nissan Technical Issues
    Nissan's petition raised two technical issues in addition to the 
petition request on crossover speed addressed above. First was a 
request to allow the use of adjacent instead of only non-adjacent one-
third octave bands for compliance; and second was a request to set the 
minimum band sum requirements at each test speed for the 2-band 
compliance option to be equal to the corresponding overall SPLs of the 
4-band compliance option.
    After considering these two technical requests from Nissan, the 
agency is not making any changes to the acoustic specifications related 
to these issues. We note that, while Nissan phrased these two issues as 
petition requests, we are treating them as technical clarifications 
because Nissan's petition did not directly respond to or acknowledge 
the discussion and explanation in the final rule preamble as to the 
agency's rationale for specifying non-adjacent bands for compliance and 
the agency's methodology for selecting the band sum levels for the 2-
band compliance option. The preamble included a lengthy discussion of 
detectability research the agency conducted after the NPRM had been 
published.
    On the first issue, the question of adjacency of bands, Nissan 
cited a Zwicker loudness model that, according to Nissan, shows a 
frequency band will mask an adjacent band when the sound level 
difference between the two bands reaches 6 dB or more (in one-third 
octave band frequencies). Nissan pointed out that the difference from 
any band to an adjacent one in the final rule's required minimum levels 
is less than 4 dB for all of the bands included.
    Our response to this is that the masking data cited by Nissan 
applies to the masking of a component at the center of its one-third 
octave band. If the masker is shifted toward the signal, while still in 
its own one-third octave band, masking can take place at levels 
significantly less than 6 dB.
    Although it may be possible, depending on the ambient, to achieve 
detectability using adjacent bands, there still would be greater 
susceptibility to the combined masking effects due to adjacent 
components and the ambient that are enough to make a barely perceptible 
component not perceptible. This phenomenon appears to have influenced 
results of NHTSA's validation study \21\ in which alert signals with 
non-adjacent bands were detected more consistently (in a standardized 
55 dB(A) ambient) than signals with only adjacent bands.
---------------------------------------------------------------------------

    \21\ Hastings, et al. Detectability of Alert Signals for Hybrid 
and Electric Vehicles: Acoustic Modeling and Human Subjects 
Experiment. (2015) Washington, DC: DOT/NHTSA; available at 
www.regulations.gov, Docket NHTSA-2016-0125-0010.
---------------------------------------------------------------------------

    NHTSA also is concerned that an acoustic specification allowing 
adjacent one-third octave bands is vulnerable to poor design practice, 
in that a single tone placed at the cut-off frequency of a one third 
octave band could be credited for two bands (one on either side of the 
cut-off, with a level in both bands about 3 dB lower than the tone). A 
signal like this, though it might technically meet a 2-band criterion 
with adjacent bands allowed, would disregard NHTSA's findings about the 
importance of spreading signal components across a wide frequency range 
to create robust sounds detectable in a variety of ambient sound 
profiles.
    For these reasons, we do not agree with Nissan that adjacent bands 
should be allowed in the 2-band and the 4-band compliance requirements 
of the FMVSS No. 141 final rule. Furthermore, specifying non-adjacent 
bands imposes only a minor limitation on alert sound design, and we did 
not find any reason given in Nissan's submission why this requirement 
is unreasonable, impractical, or burdensome to an extent that it should 
be deleted. Therefore, the agency has decided not to amend the final 
rule with respect to the non-adjacency issue raised in Nissan's 
petition.
    Regarding the second technical issue in Nissan's petition, they 
requested that the band sums at each test speed for the 2-band 
compliance option should be set equal to the overall SPL levels for the 
4-band compliance option. In response, we first point out that the 
agency's reasons for specifying higher band sums when using the 2-band 
option are discussed in the preamble of the December 2016 final 
rule.\22\ In that discussion, the agency noted that the 2-band 
specifications were optimized so that allowable 2-band signals would 
achieve a degree of robustness (i.e., detectability in a wide range of 
ambients normalized to a 55 dB(A)) equivalent to that achieved by 
compliant 4-band signals. To maintain robustness, it was

[[Page 8192]]

necessary to set the band sum levels high enough to compensate for the 
reduced number of bands. Without this optimization, the agency would 
not have been able to accommodate NPRM comments calling for a 2-band 
approach.
---------------------------------------------------------------------------

    \22\ See final rule at 81 FR 90461 to 90463.
---------------------------------------------------------------------------

    In comparing the 2-band and 4-band options, robustness is achieved 
for the latter by requiring acoustic energy at threshold levels in a 
minimum of four bands and specifying that these four bands span a 
minimum of nine one-third octave bands. The idea is that for an ambient 
of 55 dB(A), either the masking components would match those used for 
determining thresholds or masking components would tend not to spread 
across a wide range of nine one-third octave bands. Thus, there is a 
high likelihood with a 4-band alert signal that some portion of the 
vehicle's sound will be detectable in an ambient that is 55 dB(A) or 
lower so that it can be heard by pedestrians. The 2-band option has 
fewer bands and thus fewer opportunities to have a signal coincide with 
an advantageous ambient level. Instead, it achieves robustness by 
requiring a greater overall level (higher band sum) from the two bands 
(one below 800 Hz and one at or above 1000 Hz) that have the most 
acoustical energy. There is a fundamental tradeoff between loudness 
versus sound bandwidth when comparing the 2-band and 4-band options.
    In summary, NHTSA believes that the approach taken in the final 
rule for setting the band sum levels for the 2-band option is 
reasonable and justifiable, and Nissan's petition did not include any 
research or other information that would persuade the agency to take a 
different approach. Therefore, we are not making the requested change 
to the final rule.
Honda Technical Issues
    Honda made several comments in its petition about technical 
clarifications they believe are needed in the final rule. The first 
issue was whether a vehicle can switch between 2-band and 4-band 
compliance at the different test speeds.
    The answer is `yes', it is acceptable to switch between compliance 
with the 2-band and 4-band options for different test conditions 
(stationary, reverse, 10 km/h, 20 km/h, and 30 km/h). In any test to 
verify compliance with FMVSS No. 141, the measured sound of a vehicle 
at each test condition would be checked for compliance with both the 2-
band and 4-band requirements. For example, sound measurements of a 
vehicle in a 10 km/h pass-by test would be evaluated relative to both 
the 2-band and 4-band specifications, and the vehicle could achieve 
compliance by meeting one or both specifications. At 20 km/h, the 
evaluation of both the 2-band and 4-band specifications would be 
repeated independent of which specification was complied with at 10 km/
h, and the vehicle could again comply with one or both specifications. 
As long as the measured sound at a given test speed meets at least one 
of the two optional specifications, then it would comply for the 
particular test speed.
    Regarding evaluating the relative volume change requirement (S5.4) 
for vehicles that switch between 2-band and 4-band compliance, we note 
that relative volume change is based on a band sum of the whole range 
of 13 bands in the measured sound at each test condition, calculated 
per S7.6 of the test procedure. Because the criterion is the band sum 
of all the bands, relative volume change evaluation does not depend on 
which of the two minimum sound level options, 2-band or 4-band, is 
complied with in each test condition, and there is no conflict if a 
vehicle switches between the two specifications for different test 
conditions.
    Another technical clarification requested by Honda was in regard to 
section S7.1.6(e) of the December 2016 final rule. That section of the 
test procedure specifies which one-third octave bands should be 
selected for compliance evaluations under the 2-band compliance option. 
The requirement states that the two bands with the highest levels, one 
below 1000 Hz and the other at or above 1000 Hz, should be selected. 
Honda said that it is unclear which bands should be selected in the 
event that the two bands with the highest levels are adjacent, i.e., if 
they are specifically the 800 Hz and 1000 Hz bands.
    NHTSA recognizes this discrepancy and agrees that some 
clarification is needed. The intent of the final rule was that the two 
one-third octave bands (one below and one at or above 1000 Hz) with the 
highest SPLs that are, at the same time, non-adjacent would be 
selected, but the text does not specify what happens if the two bands 
with the highest SPLs are adjacent. In that case, to maintain non-
adjacency, another band having the next-largest SPL would have to be 
substituted for either the 800 Hz or 1000 Hz band. This substitution 
involves at least two permutations of band selection. In one 
permutation, the 800 Hz band would be selected along with the band 
above 1000 Hz with the second-largest SPL of the bands at or above 1000 
Hz. In the other permutation, the 1000 Hz band would be selected along 
with the band below 800 Hz with the second-largest SPL of the bands at 
or below 800 Hz. Both combination of two bands selected according to 
these restrictions are then evaluated according to S7.1.6(e)(ii) and at 
least one must comply with the applicable requirements in section S5 of 
the Standard.
    To make this clear, we are revising the regulatory text of 
paragraph S7.1.6(e)(i) in a manner similar to what Honda suggested.
    As a consequence of Honda's request to clarify this language, the 
agency identified two additional places in the regulatory text--in 
paragraphs S7.1.5(e) and in S7.3.5(e)--where it is necessary to insert 
similar amended text because those two paragraphs are analogous to 
S7.1.6(e), that is, all three of these paragraphs address an equivalent 
step in the procedure, with the only difference being the test speed. 
In the two additional paragraphs, S7.1.5(e) and S7.3.5(e), we also note 
that some of the text that was of concern to Honda in S7.1.6(e) was 
inadvertently omitted from the final rule. Specifically, those two 
paragraphs should have included the sentence, ``One band shall be below 
1000 Hz and one band shall be at or greater than 1000 Hz.''
    To clarify the text and accurately state the procedural step for 
selection of bands to be evaluated for compliance with the 2-band 
option, the agency is revising S7.1.5(e) and S7.3.5(e) using the same 
amended text as for S7.1.6(e), described above, except with different 
paragraph references within the text, as appropriate. The amended text 
for these two paragraphs is included at the end of this document.
    In addition to the above text clarifications and corrections, in 
section S7.1.5(e) of the December 2016 final rule, text applying to 
one-third octave band selection for the 4-band compliance option, but 
not for the 2-band compliance option was included. The iterative 
process to select a combination of four bands to be used to evaluate 
compliance does not apply for the 2-band option. Therefore, the agency 
is deleting that sentence from three sections of the test procedure 
where it is not relevant. The amended text appears at the end of this 
document.
    Lastly, in making the above text changes, the agency identified a 
few minor mistakes and inconsistencies in the wording of related 
requirements. In sub-paragraphs S7.1.5(d)(ii) and S7.1.5(e)(ii), the 
words ``of this paragraph'' are unnecessary because the exact paragraph 
reference numbers are included in the text. Furthermore, the phrase 
``of this paragraph'' could lead to a misunderstanding as it is not 
entirely

[[Page 8193]]

clear what ``this paragraph'' refers to. Thus, we are deleting the 
phrase ``of this paragraph'' in both places. Additionally, in 
S7.1.5(e)(ii) and in S7.1.6(d)(ii), where reference is made to 
paragraph ``(c)'' without further specificity, we are replacing ``(c)'' 
with the full paragraph numbers, ``S7.1.5(c)'' and ``S7.1.6(c)'' 
respectively, to avoid any misunderstanding and to be consistent with 
the wording used in related sections of the test procedure. Also, to 
enhance S7.2, procedure for testing in Reverse, we are adding the 
sentence, ``The minimum sound level requirements for the Reverse test 
condition are contained in S5.1.2, Table 2, for 4-band compliance and 
in S5.2, Table 6, for 2-band compliance.''
    Similarly, to enhance S7.4 for pass-by tests above 20 km/h up to 30 
km/h and S7.5 for pass-by tests at 30 km/h, we are adding an analogous 
statement to clarify which S5 requirements apply at those test speeds. 
In addition to this edit, we are re-wording S7.4 to more clearly 
express the pass-by speeds that may be tested. Finally, we are re-
wording and adding an additional sentence to S7.3.6 so that pass-by 
test speeds above zero up to 10 km/h are explicitly included and to 
include specific reference to the appropriate requirement tables in S5 
for both the zero to 10 km/h pass-by speed range and the greater than 
10 km/h up to 20 km/h pass-by speed range.
    NHTSA is making these technical changes in section S7 as part of 
the amendments in this document to respond to Honda's request and to 
correct inconsistencies and minor errors in the regulatory text. All 
technical changes and corrections discussed above appear in the amended 
regulatory text at the end of this document.
    Another technical question in Honda's petition was how to correctly 
calculate the average of the overall SPL values in section S7.1.4 of 
the test procedure. The answer to Honda's question is that a linear 
average is taken, which is the sum of the SPL values divided by four. 
The result is rounded to a tenth of a decibel, as specified in the test 
procedure. We also point out, as discussed in more detail in the 
following paragraph, that NHTSA intends to provide a computer program 
for compliance evaluation that will automatically execute all necessary 
calculations including averaging overall SPLs for S7.1.4(c).
    As a general response to Honda's comments, we note that the agency 
has been developing a ``NHTSA Compliance Tool'' for FMVSS No. 141, 
which is a programmed, computer-based application to facilitate 
compliance testing. As discussed in the final rule preamble,\23\ NHTSA 
intends to make this tool available publicly so that OEMs, test labs, 
suppliers, and others will have access to and full use of this tool, 
similar to what the agency did for FMVSS No. 126, Electronic Stability 
Control. This compliance tool will include a user interface that will 
prompt for test data input and will automatically evaluate vehicle 
compliance based on the input. All test data processing steps and 
calculations in section S7 of the safety standard are built-in to the 
tool. For example, with respect to Honda's technical questions, the 
tool will execute the band selection and calculate averages needed to 
verify compliance with the 2-band and 4-band specifications at each 
test speed, as well as compliance with the volume change requirements. 
The tool will evaluate all possible band combinations, such that if the 
situation regarding S7.1.6(e) cited by Honda were to arise, the tool 
would evaluate all combinations of the two highest non-adjacent bands 
above and below 1000 Hz.
---------------------------------------------------------------------------

    \23\ See 81 FR 90501.
---------------------------------------------------------------------------

    The last technical issue raised in Honda's petition was about 
indoor testing. Honda stated that indoor testing should be optional, 
and it is preferable for certification of vehicles to FMVSS No. 141. 
Honda also stated that indoor testing is accommodated in the European 
regulation, United Nations Economic Commission for Europe Regulation 
(UN ECE) No. 138, Uniform Provisions Concerning the Approval of Quiet 
Road Transport Vehicles with Regards to Their Reduced Audibility. Honda 
cited factors such as Doppler shift that influence outdoor testing, and 
stated that indoor testing has better stability and efficiency for 
sound measurement.
    In response to this, the agency points out that the preamble of the 
December 2016 final rule addressed indoor testing \24\ because this 
topic was raised in several NPRM comments. The agency acknowledged some 
advantages of indoor testing in hemi-anechoic chambers but also pointed 
out several reasons why outdoor testing on an ISO-compatible test pad 
is preferable, and concluded that the agency intends to conduct its own 
compliance tests using outdoor facilities. Importantly, with regard to 
Honda's indoor testing comment in their petition, the agency notes that 
the absence of a specific test procedure for indoor testing in the 
final rule does not mean indoor testing is prohibited. On the contrary, 
vehicle manufacturers, suppliers, and others have the discretion to 
conduct FMVSS No. 141 certification tests indoors as long as they can 
certify that a vehicle fully complies with the Safety Standard.
---------------------------------------------------------------------------

    \24\ See 81 FR 90481.
---------------------------------------------------------------------------

G. Other Comments Relevant to the Final Rule

    The comment from Publicresource.org expressed concern with public 
availability of technical documents that were incorporated by reference 
into the final rule. However, their docket submission did not specify 
any particular reasons that they believe various parties such as 
consumer protection groups, small manufacturers, hobbyists, and 
students would not have adequate access to these reference documents. 
Thus, NHTSA is not able to provide a response to more adequately 
address any concerns they might have. Given that the subject documents 
from SAE, ISO, and ANSI are copyrighted material, the agency followed 
its normal practice in making them publicly available, which includes 
keeping a printed copy of each of the reference documents on hand at 
NHTSA headquarters. Printed copies of the referenced documents are also 
available at the National Archives and Records Administration. The 
public availability of documents incorporated by reference was 
discussed in Section VI of the December 14, 2016, final rule.\25\
---------------------------------------------------------------------------

    \25\ See 81 FR 90513.
---------------------------------------------------------------------------

V. Response to Petitions for Reconsideration

    Pursuant to the process established under 49 CFR part 553.37, after 
carefully considering all aspects of the petition, except for the 
request regarding driver selectable sounds, NHTSA has decided to grant 
the petitions discussed above without further proceedings.

VI. Rulemaking Analyses and Notices

Executive Order 12866, Executive Order 13563, and DOT Regulatory 
Policies and Procedures

    Executive Order 12866, Executive Order 13563, and the Department of 
Transportation's regulatory policies require this agency to make 
determinations as to whether a regulatory action is ``significant'' and 
therefore subject to OMB review and the requirements of the 
aforementioned Executive Orders. The Executive Order 12866 defines a 
``significant regulatory action'' as one that is likely to result in a 
rule that may:
    (1) Have an annual effect on the economy of $100 million or more or 
adversely affect in a material way the economy, a sector of the 
economy, productivity, competition, jobs, the environment, public 
health or safety, or

[[Page 8194]]

State, local, or Tribal governments or communities;
    (2) Create a serious inconsistency or otherwise interfere with an 
action taken or planned by another agency;
    (3) Materially alter the budgetary impact of entitlements, grants, 
user fees, or loan programs or the rights and obligations of recipients 
thereof; or
    (4) Raise novel legal or policy issues arising out of legal 
mandates, the President's priorities, or the principles set forth in 
the Executive Order.
    We have considered the potential impact of this final rule under 
Executive Order 12866, Executive Order 13563, and the Department of 
Transportation's regulatory policies and procedures and have determined 
that today's final rule is not significant for any of the 
aforementioned reasons. This final rule only makes minor adjustments to 
the existing requirements of FMVSS No. 141. We are adjusting the phase-
in schedule and its reporting requirements to give manufacturers 
additional time to comply with the requirements of the final rule. We 
are also making several minor amendments to the rule to clarify the 
rule's requirements. We thus anticipate that the economic impacts of 
this final rule will be limited.

Executive Order 13771

    Executive Order 13771 titled ``Reducing Regulation and Controlling 
Regulatory Costs,'' directs that, unless prohibited by law, whenever an 
executive department or agency publicly proposes for notice and comment 
or otherwise promulgates a new regulation, it shall identify at least 
two existing regulations to be repealed. In addition, any new 
incremental costs associated with new regulations shall, to the extent 
permitted by law, be offset by the elimination of existing costs. Only 
those rules deemed significant under section 3(f) of Executive Order 
12866, ``Regulatory Planning and Review,'' are subject to these 
requirements. As discussed above, this rule is not a significant rule 
under Executive Order 12866 and, accordingly, is not subject to the 
offset requirements of 13771.
    NHTSA has determined that this rulemaking is a deregulatory action 
under E.O. 13771, as it imposes no costs and, instead, amends FMVSS No. 
141 to give manufacturers of hybrid and electric vehicles greater 
flexibility during the manufacturing process and when sourcing parts 
that comprise the alert sound system. This final rule also provides 
flexibility to manufacturers by allowing them to differentiate hybrid 
and electric vehicles of different trim levels within a vehicle model 
by allowing vehicles of different trim levels to produce different 
sounds. This final rule also amends FMVSS No. 141 to delay the date by 
which manufacturers are required to fully comply with the requirements 
of the standard by one year.
    Delaying the compliance date of FMVSS No. 141 for one year will 
result in a cost savings to manufacturers of hybrid and electric 
vehicles to which the standard applies of $21M to $20.75M for MY 2019 
and $21M to $20.75M75 for MY 2020 at the three and seven percent 
discount rates, respectively. These cost savings will accrue because 
manufacturers of hybrid and electric vehicles to which the standard 
applies will not have to comply with the phase-in requirements of the 
standard until September 1, 2019 and will not have to fully comply with 
the standard's requirements until September 1, 2020. NHTSA contends 
that these cost savings estimates are conservative and that the true 
cost savings of the rule are likely to be higher because, as discussed 
above, the cost benefit analysis accompanying the December 2016 final 
rule assumed a longer compliance lead time and did not account for 
costs that may have been necessary to comply with the rule in a shorter 
time period.

Executive Order 13609: Promoting International Regulatory Cooperation

    The policy statement in section 1 of Executive Order 13609 
provides, in part:

    The regulatory approaches taken by foreign governments may 
differ from those taken by U.S. regulatory agencies to address 
similar issues. In some cases, the differences between the 
regulatory approaches of U.S. agencies and those of their foreign 
counterparts might not be necessary and might impair the ability of 
American businesses to export and compete internationally. In 
meeting shared challenges involving health, safety, labor, security, 
environmental, and other issues, international regulatory 
cooperation can identify approaches that are at least as protective 
as those that are or would be adopted in the absence of such 
cooperation. International regulatory cooperation can also reduce, 
eliminate, or prevent unnecessary differences in regulatory 
requirements.

    In the preamble to the December 2016 final rule we discussed the 
reasons for the differences in the regulatory approach taken by foreign 
governments that have addressed this issue. As stated above, we are 
declining to adopt a test procedure for indoor testing included in UN 
ECE Reg. No. 138. NHTSA's test procedures are not requirements that 
manufacturers must follow when certifying vehicles to the FMVSS and 
manufacturers are free to choose whatever certification method they 
wish as long as the manufacturer can demonstrate a good faith basis for 
certification.

Regulatory Flexibility Act

    Pursuant to the Regulatory Flexibility Act (5 U.S.C. 601 et seq., 
as amended by the Small Business Regulatory Enforcement Fairness Act 
(SBREFA) of 1996), whenever an agency is required to publish a notice 
of proposed rulemaking or final rule, it must prepare and make 
available for public comment a regulatory flexibility analysis that 
describes the effect of the rule on small entities (i.e., small 
businesses, small organizations, and small governmental jurisdictions). 
The Small Business Administration's regulations at 13 CFR part 121 
define a small business, in part, as a business entity ``which operates 
primarily within the United States.'' (13 CFR 121.105(a)). No 
regulatory flexibility analysis is required if the head of an agency 
certifies the proposal will not have a significant economic impact on a 
substantial number of small entities. SBREFA amended the Regulatory 
Flexibility Act to require Federal agencies to provide a statement of 
the factual basis for certifying that a proposal will not have a 
significant economic impact on a substantial number of small entities.
    I hereby certify that this rule would not have a significant 
economic impact on a substantial number of small entities. This final 
rule does not make any significant changes to the existing FMVSS No. 
141. Instead, this rule aligns the phase-in requirements with 
manufacturers' design and production cycles, and makes other minor 
adjustments to specific regulatory text to facilitate manufacturer 
compliance with the new FMVSS No. 141. It also clarifies some technical 
requirements and test procedures. The final requirements as amended in 
this document afford more lead time, and somewhat greater clarity and 
flexibility to vehicle manufacturers while maintaining the safety goals 
and benefits of the enabling statute, the PSEA, under which FMVSS No. 
141 was created.

Executive Order 13132 (Federalism)

    NHTSA has examined today's final rule pursuant to Executive Order 
13132 (64 FR 43255, August 10, 1999) and concluded that no additional 
consultation with States, local governments or their representatives is 
mandated beyond the rulemaking process. The agency has concluded that 
the rulemaking would not have sufficient federalism implications to 
warrant consultation with State and local officials or the preparation 
of a

[[Page 8195]]

federalism summary impact statement. Today's final rule does not have 
``substantial direct effects on the States, on the relationship between 
the national government and the States, or on the distribution of power 
and responsibilities among the various levels of government.''
    NHTSA rules can have preemptive effect in two ways. First, the 
National Traffic and Motor Vehicle Safety Act contains an express 
preemption provision:

    When a motor vehicle safety standard is in effect under this 
chapter, a State or a political subdivision of a State may prescribe 
or continue in effect a standard applicable to the same aspect of 
performance of a motor vehicle or motor vehicle equipment only if 
the standard is identical to the standard prescribed under this 
chapter. 49 U.S.C. 30103(b)(1).

    It is this statutory command by Congress that preempts any non-
identical State legislative and administrative law addressing the same 
aspect of performance.
    The express preemption provision described above is subject to a 
savings clause under which ``[c]ompliance with a motor vehicle safety 
standard prescribed under this chapter does not exempt a person from 
liability at common law.'' 49 U.S.C. 30103(e). Pursuant to this 
provision, State common law tort causes of action against motor vehicle 
manufacturers that might otherwise be preempted by the express 
preemption provision are generally preserved. However, the Supreme 
Court has recognized the possibility, in some instances, of implied 
preemption of State common law tort causes of action by virtue of 
NHTSA's rules--even if not expressly preempted.
    This second way that NHTSA rules can preempt is dependent upon the 
existence of an actual conflict between an FMVSS and the higher 
standard that would effectively be imposed on motor vehicle 
manufacturers if someone obtained a State common law tort judgment 
against the manufacturer--notwithstanding the manufacturer's compliance 
with the NHTSA standard. Because most NHTSA standards established by an 
FMVSS are minimum standards, a State common law tort cause of action 
that seeks to impose a higher standard on motor vehicle manufacturers 
will generally not be preempted. However, if and when such a conflict 
does exist--for example, when the standard at issue is both a minimum 
and a maximum standard--the State common law tort cause of action is 
impliedly preempted. See Geier v. American Honda Motor Co., 529 U.S. 
861 (2000).
    Pursuant to Executive Order 13132, NHTSA has considered whether 
this rule could or should preempt State common law causes of action. 
The agency's ability to announce its conclusion regarding the 
preemptive effect of one of its rules reduces the likelihood that 
preemption will be an issue in any subsequent tort litigation.
    To this end, the agency has examined the nature (e.g., the language 
and structure of the regulatory text) and objectives of today's final 
rule and finds that this rule, like many NHTSA rules, prescribes only a 
minimum safety standard. Accordingly, NHTSA does not intend that this 
final rule preempt state tort law that would effectively impose a 
higher standard on motor vehicle manufacturers than that established by 
today's final rule. Establishment of a higher standard by means of 
State tort law would not conflict with the minimum standard established 
in this document. Without any conflict, there could not be any implied 
preemption of a State common law tort cause of action.
    NHTSA solicited comments from the States and other interested 
parties on this assessment of issues relevant to E.O. 13132 in the 
NPRM. However, we did not receive any comments with regard to this 
issue.

Executive Order 12988 (Civil Justice Reform)

    When promulgating a regulation, Executive Order 12988 specifically 
requires that the agency must make every reasonable effort to ensure 
that the regulation, as appropriate: (1) Specifies in clear language 
the preemptive effect; (2) specifies in clear language the effect on 
existing Federal law or regulation, including all provisions repealed, 
circumscribed, displaced, impaired, or modified; (3) provides a clear 
legal standard for affected conduct rather than a general standard, 
while promoting simplification and burden reduction; (4) specifies in 
clear language the retroactive effect; (5) specifies whether 
administrative proceedings are to be required before parties may file 
suit in court; (6) explicitly or implicitly defines key terms; and (7) 
addresses other important issues affecting clarity and general 
draftsmanship of regulations.
    Pursuant to this Order, NHTSA notes as follows. The preemptive 
effect of this final rule is discussed above in connection with 
Executive Order 13132. NHTSA notes further that there is no requirement 
that individuals submit a petition for reconsideration or pursue other 
administrative proceeding before they may file suit in court.

Executive Order 13045 (Protection of Children From Environmental Health 
and Safety Risks)

    Executive Order 13045, ``Protection of Children from Environmental 
Health and Safety Risks,'' (62 FR 19885; April 23, 1997) applies to any 
proposed or final rule that: (1) Is determined to be ``economically 
significant,'' as defined in Executive Order 12866, and (2) concerns an 
environmental health or safety risk that NHTSA has reason to believe 
may have a disproportionate effect on children. If a rule meets both 
criteria, the agency must evaluate the environmental health or safety 
effects of the rule on children, and explain why the rule is preferable 
to other potentially effective and reasonably feasible alternatives 
considered by the agency. This final rule is not subject to Executive 
Order 13045 because it is not economically significant.

National Technology Transfer and Advancement Act

    Under the National Technology Transfer and Advancement Act of 1995 
(NTTAA) (Pub. L. 104-113), ``all Federal agencies and departments shall 
use technical standards that are developed or adopted by voluntary 
consensus standards bodies, using such technical standards as a means 
to carry out policy objectives or activities determined by the agencies 
and departments.'' Voluntary consensus standards are technical 
standards (e.g., materials specifications, test methods, sampling 
procedures, and business practices) that are developed or adopted by 
voluntary consensus standards bodies, such as the Society of Automotive 
Engineers (SAE). The NTTAA directs us to provide Congress, through OMB, 
explanations when we decide not to use available and applicable 
voluntary consensus standards.
    Pursuant to the above requirements, the agency conducted a review 
of voluntary consensus standards to determine if any were applicable to 
this final rule. For the specific provisions that we are adjusting in 
this rule, there were no applicable consensus standards.

Unfunded Mandates Reform Act

    The Unfunded Mandates Reform Act of 1995 requires agencies to 
prepare a written assessment of the costs, benefits, and other effects 
of proposed or final rules that include a Federal mandate likely to 
result in the expenditure by State, local, or tribal governments, in 
the aggregate, or by the private sector, of

[[Page 8196]]

more than $100 million annually (adjusted for inflation with base year 
of 1995). We note that as this final rule only makes minor adjustments 
and clarifications to FMVSS No. 141. Thus, it would not result in 
expenditures by any of the aforementioned entities of over $100 million 
annually.

National Environmental Policy Act

    NHTSA has analyzed this rulemaking action for the purposes of the 
National Environmental Policy Act. The agency has determined that 
implementation of this action would not have any significant impact on 
the quality of the human environment. NHTSA has also determined that 
the changes in this final rule would not change the findings in the 
Final Environmental Assessment prepared in connection with the final 
rule.\26\
---------------------------------------------------------------------------

    \26\ The Final EA is available in Docket No. NHTSA-2011-0100 at 
http://www.regulations.gov.
---------------------------------------------------------------------------

Paperwork Reduction Act

    Under the Paperwork Reduction Act of 1995 (PRA), a person is not 
required to respond to a collection of information by a Federal agency 
unless the collection displays a valid OMB control number. While this 
final rule adjusts the timing of the phase-in reporting requirements to 
match the manufacturer's production year (i.e., to align the 
requirement with other potential phase-in reports that the manufacturer 
may need to produce), it includes no new collection of information 
because the actual reporting requirements are the same as the 
requirements in the April 2014 final rule.

Regulation Identifier Number (RIN)

    The Department of Transportation assigns a regulation identifier 
number (RIN) to each regulatory action listed in the Unified Agenda of 
Federal Regulations. The Regulatory Information Service Center 
publishes the Unified Agenda in April and October of each year. You may 
use the RIN contained in the heading at the beginning of this document 
to find this action in the Unified Agenda.

List of Subjects in 49 CFR Part 571

    Imports, Incorporation by reference, Motor vehicle safety, 
Reporting and recordkeeping, Tires.

    In consideration of the foregoing, NHTSA amends 49 CFR part 571 as 
follows:

PART 571--FEDERAL MOTOR VEHICLE SAFETY STANDARDS

0
1. The authority citation for part 571 of title 49 continues to read as 
follows:

    Authority:  49 U.S.C. 322, 30111, 30115, 30117, and 30166; 
delegation of authority at 49 CFR 1.95.


0
2. Amend Sec.  571.141 by adding a definition for ``trim level'' in 
paragraph S4, and revising paragraphs S5.5.1, S5.5.2, S7.1, S7.1.5 
introductory text, S7.1.5(d) introductory text, S7.1.5(d)(ii), 
S7.1.5(e), S7.1.6 introductory text, S7.1.6(d) introductory text, 
S7.1.6(d)(ii), S7.1.6(e), S7.2, S7.3.5 introductory text, S7.3.5(d) 
introductory text, S7.3.5(e), and S7.3.6, S7.4, S7.5, S8, and S9 to 
read as follows:


Sec.  571.141   Standard No. 141; Minimum Sound Requirements for Hybrid 
and Electric Vehicles.

* * * * *
    S4 * * *
    ``Trim level'' is defined to mean a subset of vehicles within the 
same model designation with the same body type and which are alike in 
their general level of standard equipment, such as a ``base'' trim 
level of a vehicle model. Vehicles with only minor trim differences 
that are unlikely to affect vehicle-emitted sound are not considered 
different for the purposes of this safety standard.
* * * * *
    S5.5 * * *
    S5.5.1 Any two vehicles of the same make, model, model year, body 
type, and trim level (as those terms are defined in 49 CFR 565.12 or in 
section S4 of this safety standard) to which this safety standard 
applies shall be designed to have the same pedestrian alert sound when 
operating under the same test conditions and at the same speed 
including any test conditions and speeds for which an alert sound is 
required in Section S5 of this safety standard.
    S5.5.2 For the purposes of this requirement, the pedestrian alert 
sound of vehicles which meet the applicable requirements in S5.1 
through S5.4 of this standard are deemed to be the same if the digital 
source of the sound, if any, is the same and if the algorithms that 
either generate the sound directly or process the digital source to 
generate the sound are the same.
* * * * *
    S7.1 Stationary vehicle in forward gear.
* * * * *
    S7.1.5 Select one-third octave bands to be used for evaluating 
compliance with detection requirements for a stationary vehicle.
* * * * *
    (d) For alerts designed to meet the four-band requirements of S5.1 
of this standard:
* * * * *
    (ii) Compare the average corrected sound pressure level from 
S7.1.5(c) in each of the four one-third octave bands selected in 
paragraph S7.1.5(d)(i) to the required minimum level of the 
corresponding one-third octave band specified in paragraph S5.1.1, 
Table 1, to determine compliance.
    (e) For alerts designed to meet the two-band requirements of S5.2 
of this standard:
    (i) Select the two one-third octave bands, one below 1000 Hz and 
one at or above 1000 Hz, having the largest A-weighted SPL values 
within the range of 315 Hz up to 3150 Hz and that are non-adjacent to 
each other to evaluate according to S7.1.5(e)(ii), below. In the event 
that the pair of bands with the largest SPL values are the 800 Hz and 
1000 Hz bands, then select both of the following pairs to evaluate 
according S7.1.5(e)(ii): The 800 Hz band along with the band having the 
second-largest A-weighted SPL value from the 1000 Hz and above bands; 
and, the 1000 Hz band along with the band having the second-largest A-
weighted SPL value from the 800 Hz and below bands. At least one of the 
band pairs selected as specified in this paragraph shall meet the 
minimum requirements when evaluated according to S7.1.5(e)(ii).
    (ii) Compare the average corrected sound pressure level from 
S7.1.5(c) in each of the two one-third octave bands selected in 
paragraph S7.1.5(e)(i) to the required minimum level of the 
corresponding one-third octave band specified in paragraph S5.2, Table 
6. Also, compare the band sum of the two bands to the required minimum 
band sum in Table 6.
    S7.1.6 Select one-third octave bands to be used for evaluating 
compliance with directivity requirements for a stationary vehicle.
* * * * *
    (d) For alerts designed to meet the four-band requirements of S5.1 
of this standard:
* * * * *
    (ii) Compare the average corrected sound pressure level from 
S7.1.6(c) in each of the four one-third octave bands selected in 
paragraph S7.1.6(d)(i) to the required minimum level of the 
corresponding one-third octave band specified in paragraph S5.1.1, 
Table 1, to determine compliance.

[[Page 8197]]

    (e) For alerts designed to meet the two-band requirements of S5.2 
of this standard:
    (i) Select the two one-third octave bands, one below 1000 Hz and 
one at or above 1000 Hz, having the largest A-weighted SPL values 
within the range of 315 Hz up to 3150 Hz and that are non-adjacent to 
each other to evaluate according to S7.1.6(e)(ii), below. In the event 
that the pair of bands with the largest SPL values are the 800 Hz and 
1000 Hz bands, then select both of the following pairs to evaluate 
according S7.1.6(e)(ii): The 800 Hz band along with the band having the 
second-largest A-weighted SPL value from the 1000 Hz and above bands; 
and, the 1000 Hz band along with the band having the second-largest A-
weighted SPL value from the 800 Hz and below bands. At least one of the 
band pairs selected as specified in this paragraph shall meet the 
minimum requirements when evaluated according to S7.1.6(e)(ii), below.
    (ii) Compare the average corrected sound pressure level from 
S7.1.6(c) in each of the two one-third octave bands selected in 
paragraph S7.1.6(e)(i) to the required minimum level of the 
corresponding one-third octave band specified in paragraph S5.2, Table 
6. Also, compare the band sum of the two bands to the required minimum 
band sum in Table 6.
    S7.2 Stationary vehicle in reverse gear. Test the vehicle per 
S7.1.1 through S7.1.5 except that the rear plane of the vehicle is 
placed on the PP' line, no center microphone is used, and the vehicle's 
transmission gear selector is placed in the `Reverse' position. The 
minimum sound level requirements for the Reverse test condition are 
contained in S5.1.2, Table 2, for four-band compliance and in S5.2, 
Table 6, for two-band compliance.
* * * * *
    S7.3.5 Select one-third octave bands to be used for evaluating 
compliance with the constant speed pass-by requirements.
* * * * *
    (d) For alerts designed to meet the four-band requirements of S5.1 
of this standard:
* * * * *
    (e) For alerts designed to meet the two-band requirements of S5.2 
of this standard:
    (i) Select the two one-third octave bands, one below 1000 Hz and 
one at or above 1000 Hz, having the largest A-weighted SPL values 
within the range of 315 Hz up to 3150 Hz and that are non-adjacent to 
each other to evaluate according to S7.3.5(e)(ii), below. In the event 
that the pair of bands with the largest SPL values are the 800 Hz and 
1000 Hz bands, then select both of the following pairs to evaluate 
according S7.3.5(e)(ii): The 800 Hz band along with the band having the 
second-largest A-weighted SPL value from the 1000 Hz and above bands; 
and, the 1000 Hz band along with the band having the second-largest A-
weighted SPL value from the 800 Hz and below bands. At least one of the 
band pairs selected as specified in this paragraph shall meet the 
minimum requirements when evaluated according to S7.3.5(e)(ii), below.
    (ii) Compare the average corrected sound pressure level from 
S7.3.5(c) in each of the two one-third octave bands selected in 
paragraph S7.3.5(e)(i) to the required minimum level of the 
corresponding one-third octave band specified in paragraph S5.2, Table 
6. Also, compare the band sum of the two bands to the required minimum 
band sum in Table 6.
    S7.3.6 The procedures in S7.3.1 through S7.3.5 may be repeated for 
any pass-by test speed greater than 0 km/h and less than 20 km/h. For 
test speeds greater than 0 km/h and less than 10 km/h, the minimum 
sound level requirements are contained in S5.1.1, Table 1, for four-
band compliance and in S5.2, Table 6, for two-band compliance. For test 
speeds greater than or equal to 10 km/h and less than 20 km/h, the 
minimum sound level requirements are contained in S5.1.3, Table 3, for 
4-band compliance and in S5.2, Table 6, for 2-band compliance.
    S7.4 Pass-by tests at speeds greater than or equal to 20 km/h and 
less than 30 km/h. Repeat the procedures of S7.3 at 21 km/h  1 km/h. The procedures in S7.3 also may be repeated for any 
pass-by test speed greater than 20 km/h and less than 30 km/h. For this 
range of test speeds, the minimum sound level requirements are 
contained in S5.1.4, Table 4, for four-band compliance and in S5.2, 
Table 6, for two-band compliance.
    S7.5 Pass-by tests at 30 km/h. Repeat the procedures of S7.3 at 31 
km/h  1 km/h. For this test speed, the minimum sound level 
requirements are contained in S5.1.5, Table 5, for four-band compliance 
and in S5.2, Table 6, for two-band compliance.
* * * * *
    S8 Prohibition on altering the sound of a vehicle subject to this 
standard. No entity subject to the authority of the National Highway 
Traffic Safety Administration may:
    (a) Disable, alter, replace, or modify any element of a vehicle 
installed as original equipment for purposes of complying with this 
Standard, except in connection with a repair of a vehicle malfunction 
or to remedy a defect or non-compliance; or
    (b) Provide any person with any mechanism, equipment, process, or 
device intended to disable, alter, replace, or modify the sound 
emitting capability of a vehicle subject to this standard, except in 
connection with a repair of vehicle malfunction or to remedy a defect 
or non-compliance.
    S9 Phase-in schedule.
    S9.1 Hybrid and Electric Vehicles manufactured on or after 
September 1, 2019, and before September 1, 2020. For hybrid and 
electric vehicles to which this standard applies manufactured on and 
after September 1, 2019, and before September 1, 2020, except vehicles 
produced by small volume manufacturers, the quantity of hybrid and 
electric vehicles complying with this safety standard shall be not less 
than 50 percent of one or both of the following:
    (a) A manufacturer's average annual production of hybrid and 
electric vehicles on and after September 1, 2016, and before September 
1, 2019;
    (b) A manufacturer's total production of hybrid and electric 
vehicles on and after September 1, 2019, and before September 1, 2020.
    S9.2 Hybrid and Electric Vehicles manufactured on or after 
September 1, 2020. All hybrid and electric vehicles to which this 
standard applies manufactured on and after September 1, 2020, shall 
comply with this safety standard.

PART 585--PHASE-IN REPORTING REQUIREMENTS

0
3. The authority citation for Part 585 continues to read as follows:

    Authority: 49 U.S.C. 322, 30111, 30115, 30117, and 30166; 
delegation of authority at 49 CFR 1.95


0
4. Revise Sec.  585.130 to read as follows:


Sec.  585.130  Applicability.

    This subpart applies to manufacturers of hybrid and electric 
passenger cars, trucks, buses, multipurpose passenger vehicles, and 
low-speed vehicles subject to the phase-in requirements of Sec.  
571.141, S9.1 Hybrid and Electric Vehicles manufactured on or after 
September 1, 2019, and before September 1, 2020.

0
5. Revise Sec.  585.132 to read as follows:


Sec.  585.132  Response to inquiries.

    At any time during the production year ending August 31, 2019, each 
manufacturer shall, upon request from the Office of Vehicle Safety 
Compliance, provide information identifying the

[[Page 8198]]

vehicles (by make, model and vehicle identification number) that have 
been certified as complying with the requirements of Standard No. 141, 
Minimum Sound Requirements for Hybrid and Electric Vehicles (49 CFR 
571.141). The manufacturer's designation of a vehicle as a certified 
vehicle is irrevocable.

0
6. In Sec.  585.133, revise paragraph (a) to read as follows:


Sec.  585.133  Reporting requirements.

    (a) Phase-in reporting requirements. Within 60 days after the end 
of the production year ending August 31, 2019, each manufacturer shall 
submit a report to the National Highway Traffic Safety Administration 
concerning its compliance with the requirements of Standard No. 141 
Minimum Sound Requirements for Hybrid and Electric Vehicles (49 CFR 
571.141) for its vehicles produced in that year. Each report shall 
provide the information specified in paragraph (b) of this section and 
in Sec.  585.2 of this part.
* * * * *

0
7. Revise Sec.  585.134 to read as follows:


Sec.  585.134   Records.

    Each manufacturer shall maintain records of the Vehicle 
Identification Number for each vehicle for which information is 
reported under Sec.  585.133 until December 31, 2024.

    Issued in Washington, DC, under authority delegated in 49 CFR 
1.95 and 501.5.
Heidi R. King,
Deputy Administrator.
[FR Doc. 2018-03721 Filed 2-23-18; 8:45 am]
 BILLING CODE 4910-59-P



                                                8182             Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations

                                                Federal Communications Commission.                      New Jersey Avenue SE, West Building,                    C. Nissan Petition for Reconsideration
                                                Marlene H. Dortch,                                      Washington, DC 20590.                                   D. Other Issues
                                                                                                                                                              IV. Agency Response and Decision
                                                Secretary, Office of the Secretary.                     FOR FURTHER INFORMATION CONTACT: You
                                                                                                                                                                A. Phase-In Schedule, Compliance Dates,
                                                [FR Doc. 2018–03865 Filed 2–23–18; 8:45 am]             may contact Mr. Thomas Healy in                            and Lead Time
                                                BILLING CODE 6712–01–P                                  NHTSA’s Office of the Chief Counsel                     B. Sameness Requirement for Same Make,
                                                                                                        regarding legal issues at (202) 366–2992                   Model, Model Year Vehicles
                                                                                                        or FAX: 202–366–3820. For non-legal                     C. Criteria for Sameness of Production
                                                DEPARTMENT OF TRANSPORTATION                            issues, you may contact Mr. Michael                        Vehicles
                                                                                                        Pyne, NHTSA Office of Crash                             D. Alteration of the OEM Alert Sound
                                                National Highway Traffic Safety                         Avoidance Standards, at (202) 366–4171                  E. Crossover Speed
                                                                                                        or FAX: 202–493–2990.                                   F. Technical Clarifications in the Nissan
                                                Administration
                                                                                                                                                                   and Honda Petitions
                                                                                                        SUPPLEMENTARY INFORMATION: Of the six                   G. Other Comments Relevant to the Final
                                                49 CFR Part 571                                         requested changes contained in the                         Rule
                                                                                                        petitions, NHTSA is granting the                      V. Response to Petitions for Reconsideration
                                                [Docket No. NHTSA–2018–0018]
                                                                                                        petition request to postpone the                      VI. Rulemaking Analyses and Notices
                                                RIN 2127–AL84                                           compliance phase-in schedule by one
                                                                                                        year. NHTSA also is granting two                      I. Executive Summary
                                                Federal Motor Vehicle Safety Standard                   petition requests relating to the                        Pursuant to the Pedestrian Safety
                                                No. 141, Minimum Sound                                  ‘‘Sameness’’ requirements in the final                Enhancement Act of 2010 (PSEA),1
                                                Requirements for Hybrid and Electric                    rule to further allow variations in alert             NHTSA issued a final rule on December
                                                Vehicles                                                sound across different vehicle types,                 14, 2016, to create a new FMVSS setting
                                                                                                        and to reduce the number of compliance                minimum sound level requirements for
                                                AGENCY:  National Highway Traffic
                                                                                                        criteria to meet the sameness standards.              low-speed operation of hybrid and
                                                Safety Administration (NHTSA), DOT.
                                                                                                        In addition, NHTSA is granting a                      electric light vehicles. The minimum
                                                ACTION: Final rule; response to petitions               petition request to modify the regulatory             sound requirements provide a means for
                                                for reconsideration.                                    language to permit the alteration of the              blind and other pedestrians as well as
                                                                                                        alert sound as originally equipped on a               bicyclists and other road users to detect
                                                SUMMARY:    This document responds to
                                                                                                        vehicle for repairs and recall remedies.              the presence of these so-called quiet
                                                petitions for reconsideration regarding
                                                                                                        NHTSA has decided to deny one                         vehicles and thereby reduce the risk that
                                                NHTSA’s December 2016 final rule
                                                                                                        petition request to change the crossover              these vehicles will be involved in low-
                                                which established new Federal motor
                                                                                                        speed, which is the speed above which                 speed pedestrian crashes.
                                                vehicle safety standard (FMVSS) No.
                                                                                                        the pedestrian alert sound is allowed to                 After the final rule was published,
                                                141, ‘‘Minimum sound for hybrid and
                                                                                                        turn off, from 30 kilometers per hour                 NHTSA received timely petitions for
                                                electric vehicles.’’ The agency received
                                                                                                        (km/h) to 20 km/h. The agency has                     reconsideration 2 from three sources:
                                                submissions from three petitioners
                                                                                                        determined that the available                         The Auto Alliance in conjunction with
                                                requesting six discrete changes to the
                                                                                                        information on lowering the crossover                 Global Automakers (Alliance/Global);
                                                final rule, and also received technical
                                                                                                        speed does not warrant making that                    American Honda Motor Company, Inc.
                                                questions from the petitioners. After
                                                                                                        change.                                               (Honda); and Nissan North America,
                                                consideration of the petitions and all
                                                                                                           Furthermore, regarding a petition                  Inc. (Nissan). These petitions requested
                                                supporting information, NHTSA has
                                                                                                        request to allow vehicles to be                       several changes covering several aspects
                                                decided to grant the petitions for four of
                                                                                                        manufactured with a suite of driver-                  of the final rule. Of the various issues
                                                the discrete changes, deny one, and
                                                                                                        selectable pedestrian alert sounds, the               covered in these petitions, NHTSA
                                                request comment in a separate
                                                                                                        agency is neither granting nor denying                identified the following six discrete
                                                document for the sixth proposed
                                                                                                        that request in this document. Instead,               requests for specific changes to
                                                change.
                                                                                                        NHTSA intends to issue a separate                     requirements in the final rule (listed
                                                DATES:   Effective April 27, 2018.                      document at a later date to seek                      here in the order they appear in the
                                                   Compliance dates: Compliance with                    comment on the issue of driver-                       Alliance/Global, Honda, and Nissan
                                                FMVSS No. 141 and related regulations,                  selectable sounds.                                    petitions):
                                                as amended in this rule, is required for                   Additionally, this document                           1. To delay by one year both the
                                                all hybrid and electric vehicles to which               addresses a few requests for technical                compliance phase-in schedule and the
                                                these regulations are applicable                        changes and provides a few                            date by which all vehicle production
                                                beginning on September 1, 2020. The                     clarifications of final rule technical                must comply with the rule (section S9);
                                                initial compliance date for newly                       requirements raised in the petitions.                    2. To limit the compliance criteria for
                                                manufactured vehicles under the 50-                     Lastly, this document responds to a                   the Sameness requirement (section
                                                percent phase-in as specified in FMVSS                  comment on the final rule about the                   S5.5.2) to only the digital sound file and
                                                No. 141 is delayed by one year to                       availability of industry technical                    digital processing algorithm;
                                                September 1, 2019.                                      standards incorporated by reference in                   3. To modify the Sameness
                                                   Petitions for reconsideration of this                the final rule.                                       requirement (S5.5.1) to allow alert
                                                final action must be received not later                                                                       sounds to vary by trim level or model
                                                than April 12, 2018.                                    Table of Contents                                     series rather than just by make/model;
                                                ADDRESSES: Correspondence related to                    I. Executive Summary                                     4. To modify section S8, which
jstallworth on DSKBBY8HB2PROD with RULES




                                                this rule including petitions for                       II. Background                                        prohibits altering the factory-equipped
                                                reconsideration and comments should                        A. Notice of Proposed Rulemaking                   alert sound, to allow recall remedies
                                                                                                           B. Final Rule
                                                refer to the docket number in the                       III. Petitions for Reconsideration Received by          1 Pedestrian Safety Enhancement Act of 2010,
                                                heading of this document and be                               NHTSA                                           Public Law 111–373, 124 Stat. 4086 (2011).
                                                submitted to: Administrator, National                      A. Alliance/Global Petition for                      2 The final rule allowed 45 days for submitting
                                                Highway Traffic Safety Administration,                        Reconsideration and Letters of Support          petitions for reconsideration, resulting in a deadline
                                                U.S. Department of Transportation, 1200                    B. Honda Petition for Reconsideration              of January 30, 2017.



                                           VerDate Sep<11>2014   14:55 Feb 23, 2018   Jkt 244001   PO 00000   Frm 00018   Fmt 4700   Sfmt 4700   E:\FR\FM\26FER1.SGM   26FER1


                                                                 Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations                                             8183

                                                and vehicle repairs when components of                  Phase-In Schedule and Lead Time                       bodywork such as grille design and
                                                the alert system are shared with other                     The Alliance/Global and Honda                      body cladding, which have the potential
                                                vehicle systems;                                        petitions along with a supplemental                   to influence both the emitted sound and
                                                   5. To lower the crossover speed from                 submission from Alliance/Global and a                 the air-generated sound when the
                                                30 km/h (18.6 mph) to 20 km/h (12.4                     supporting comment from General                       vehicle is in motion. The agency
                                                mph);                                                   Motors Corporation discussed several                  recognizes that, because of these
                                                                                                        reasons related to vehicle design,                    differences, it is not accurate in all
                                                   6. To modify the Sameness                                                                                  instances to consider all vehicles of the
                                                requirement so that a vehicle can be                    development, and manufacturing that
                                                                                                                                                              same make/model to be the same for the
                                                equipped with a suite of up to five                     will make it very difficult if not
                                                                                                                                                              purposes of the FMVSS No. 141
                                                driver-selectable alert sounds.                         impossible for manufacturers to meet
                                                                                                                                                              requirement.
                                                                                                        the final rule’s compliance phase-in                     Where the PSEA required ‘‘the same
                                                   To facilitate the agency’s response to               schedule. The petitions and supporting
                                                the petitions, we are treating each of                                                                        sound or set of sounds for all vehicles
                                                                                                        comments pointed out that there are                   of the same make and model,’’ it was
                                                these six issues as separate petition                   significant differences between the final
                                                requests and addressing them                                                                                  left up to NHTSA to interpret how
                                                                                                        rule requirements and those in the                    ‘‘model’’ should be defined for the
                                                individually in this document.                          NPRM, as well as differences between                  purpose of regulating similarity of the
                                                   As fully discussed later in this rule,               the final rule and a European regulation              pedestrian alert sound. The agency
                                                the agency is granting several of these                 on minimum vehicle sound, that will                   therefore has decided to grant the
                                                petition requests, specifically the first               force manufacturers to make changes to                Alliance/Global and Honda petitions
                                                four issues listed above. We believe the                prospective vehicle designs. Even if a                with respect to this part of the
                                                corresponding adjustments to the final                  manufacturer had already incorporated                 ‘‘Sameness’’ requirement. We are
                                                rule will clarify requirements, provide                 NPRM specifications into future vehicle               amending the final rule so that alert
                                                more flexibility to vehicle                             designs, more design lead time still is               sounds can vary across different vehicle
                                                manufacturers, and remove potential                     needed to accommodate final rule                      trim levels in addition to varying by
                                                barriers to achieving compliance, while                 requirements. They also discussed the                 make, model, and model year as
                                                having no foreseeable impact on the                     specific language used in the PSEA                    provided in the final rule.
                                                safety benefits estimated in the                        regarding phase-in of compliance and                     We note that the term ‘‘trim level’’
                                                December 2016 final rule, as this rule                  indicated they believe the PSEA                       was suggested in the Alliance/Global
                                                simply corrects an error in the original                requires NHTSA to provide an                          petition as the criterion that should be
                                                final rule related to the phase-in                      additional year of lead time before                   used to distinguish vehicles for the
                                                schedule and does not make changes                      manufacturers must achieve full                       purpose of the FMVSS No. 141
                                                that affect the substance of the required               compliance with the standard.                         Sameness requirements. Honda
                                                alert sound. The agency is denying the                     In consideration of these petitions and            meanwhile suggested using the term
                                                fifth item above, relating to cross-over                supporting documents, the agency                      ‘‘series.’’ ‘‘Trim level’’ is not a term that
                                                speed, because no new data or analyses                  recognizes that hybrid and electric                   is defined in NHTSA regulations, while
                                                have been presented that would justify                  vehicle product cycles that are in                    the term ‘‘series’’ is defined in Part
                                                reversing the agency’s previous                         process for model years 2019 and 2020                 565.12. However, according to another
                                                conclusion on cross-over speed as                       may already be beyond the point where                 definition in Part 565.12, specifically
                                                presented in the final rule preamble. As                they could fully meet the final rule’s                the definition of ‘‘model,’’ a series is not
                                                for the last item, on driver-selectable                 compliance phase-in schedule.                         considered a subset of a model, as it
                                                sounds, the agency has decided to                          Thus, the agency has decided to grant              would appear Honda assumed it is.
                                                request public comment before deciding                  the petitions from Alliance/Global and                Therefore, we believe that the term
                                                how to respond to that request, and                     Honda with respect to extending the                   ‘‘series’’ is not appropriate to use in this
                                                NHTSA intends to issue a notice of                      lead-time for compliance with the final               instance. We thus are modifying the
                                                proposed rulemaking (NPRM) or other                     rule. In this document, we are                        regulatory text to account for different
                                                Federal Register document on that                       specifying new compliance dates which                 trim levels, but not ‘‘series.’’ We believe
                                                issue.                                                  delay by one full year the date in the                amending the requirement in this way is
                                                                                                        final rule by which a fifty percent                   the best approach for identifying groups
                                                   In this document, the agency also                    phase-in must be achieved (revised to                 of vehicles that are required to have the
                                                responds to two issues raised by Nissan                 September 1, 2019) and the deadline                   same pedestrian alert sound. This also
                                                relating to acoustic specifications in the              date for full compliance of all vehicles              will provide the added flexibility in the
                                                final rule. In addition, in response to                 subject to the requirements of the safety             Sameness requirement that
                                                technical questions in the Honda                        standard (revised to September 1, 2020).              manufacturers are seeking, and it is
                                                petition, we are providing several                      We also are making conforming changes                 responsive to both the Alliance/Global
                                                clarifications of some requirements.                    to the dates in the Part 585 Phase-in                 and Honda requests on this issue.
                                                   Lastly, in this document, NHTSA is                   Reporting requirements as amended by                     The second change we are making to
                                                responding to two comments submitted                    the December 14, 2016, final rule.                    the Sameness requirements is to limit
                                                to the docket, one from Ford regarding                                                                        the criteria listed in paragraph S5.1.2 for
                                                the legality of equipping certain                       Changes to Sameness Requirements                      verifying compliance. As requested by
                                                vehicles used for security purposes with                  The automakers that petitioned                      Alliance/Global, we are simplifying the
                                                a means of turning off the required                     NHTSA stated that vehicles of the same                listed criteria so that the digital sound
jstallworth on DSKBBY8HB2PROD with RULES




                                                pedestrian alert sound, and the other                   model can have significant differences                file and the sound processing algorithms
                                                from PublicResource.org regarding the                   that might affect their sound output. For             will be the only specific criteria that are
                                                availability to the general public of                   example, Honda pointed out that a two-                required to be the same from one
                                                technical documents, including                          door and four-door car can have the                   specimen test vehicle to another. The
                                                industry standards from SAE, ISO, and                   same make/model designation. Vehicles                 automakers stated that other Sameness
                                                ANSI, incorporated by reference in the                  of the same model designation also                    criteria listed in the final rule, such as
                                                final rule.                                             might have different powertrains and                  component part numbers, are hardware-


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                                                8184             Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations

                                                based criteria that should be excluded.                 comments, including Nissan’s, about the               allowed if NHTSA were to allow them,
                                                One reason is that the PSEA statutory                   need to evaluate crossover speed using                we believe it is appropriate to seek
                                                language allowed for ‘‘reasonable                       detectability criteria rather than by other           public comment before determining
                                                manufacturing tolerances.’’ They also                   methods. The new analysis in the final                whether to grant this request. Therefore,
                                                stated that requiring hardware-based                    rule used the Volpe detection model                   in accordance with normal rulemaking
                                                Sameness would unnecessarily impede                     which previously had been used to                     administrative procedures, NHTSA
                                                competitive sourcing of components, a                   develop the final rule’s acoustic                     tentatively plans to issue a separate
                                                practice by which automakers source                     specifications. In this new analysis, data            document, which would provide an
                                                components from different suppliers                     from a selection of internal combustion               opportunity for public comment on this
                                                such that the components may have                       engine (ICE) vehicles in coast down                   particular issue.
                                                dissimilar part numbers even though                     mode (engine off to simulate an EV or
                                                                                                                                                              Technical Issues and Clarifications in
                                                they are built to the same OEM                          HV in electric mode) was analyzed
                                                                                                                                                              the Honda and Nissan Petitions
                                                specification and have the same                         using the Volpe model to determine
                                                performance. Alliance/Global also cited                 whether the vehicle noise at each test                   In addition to requesting specific
                                                a legal precedent under which NHTSA                     speed (10, 20, and 30 km/h) had reached               changes to requirements in the final
                                                regulations generally must avoid being                  a detectable level. NHTSA’s conclusion                rule, the petitions raised technical
                                                design-restrictive except when there is a               about this new detection-based analysis               issues relating to the acoustic
                                                valid safety justification.                             was that it did not support lowering the              specifications and test procedures and
                                                                                                        crossover speed to 20 km/h. Since this                also asked for clarification on specific
                                                Modify Requirement for Alteration of                                                                          language in the final rule. These
                                                                                                        analysis was based on detection rather
                                                OEM Alert Sound                                                                                               technical issues are summarized here
                                                                                                        than comparisons to other vehicles, we
                                                   NHTSA has decided to grant                           believe it was responsive to the Nissan               and fully addressed later in this
                                                Alliance/Global’s request to amend the                  NPRM comments on crossover speed.                     document.
                                                language in paragraph S8 of the final                   Given that fact and the absence of new                   Technical issues raised in Nissan’s
                                                rule prohibiting the alteration of the                  data in Nissan’s petition, NHTSA has no               petition included two items: First was a
                                                alert sound originally equipped on a                    basis to revise our previous conclusion               request to allow the use of adjacent
                                                vehicle at the time of production.                      about crossover speed.                                instead of only non-adjacent one-third
                                                Alliance/Global and Honda state that                       The agency also notes that the final               octave bands for compliance; and
                                                this prohibition is unnecessarily                       rule contained other concessions that                 second was a request to set the
                                                restrictive and does not allow for                      indirectly address manufacturer                       minimum band sum requirements for
                                                ‘‘reasonable manufacturing tolerance’’                  concerns about crossover speed. In the                the 2-band compliance option to be
                                                as required by the PSEA. Furthermore,                   final rule, in addition to reducing the               equal to the corresponding overall SPLs
                                                they are concerned the final rule could                 required number of bands from the                     of the 4-band compliance option. We
                                                prohibit vehicle repairs and recall                     proposed number of eight bands, all                   note that, while Nissan phrased these
                                                remedies when hardware components                       required minimum sound levels for                     two issues as petition requests, we are
                                                such as an electronic control unit or                   each operating speed were reduced by 4                treating them as technical clarifications
                                                body control module, which may by                       dB to offset potential measurement                    because the final rule preamble
                                                design be shared between the alert                      variation. By virtue of this across-the-              included substantial explanation of the
                                                system and other vehicle systems, needs                 board reduction, the required sound                   agency’s rationale for specifying non-
                                                to be replaced.                                         levels at 30 km/h in the final rule are               adjacent bands for compliance as well
                                                   Although the agency is uncertain that                close to the proposed levels for 20 km/               as the agency’s methodology for
                                                the existing final rule language which                  h in the NPRM for this rulemaking.                    selecting the band sum levels for the 2-
                                                prohibits altering the alert sound                         Lastly, we note that safety                        band compliance option, and we do not
                                                originally equipped on a production                     organizations, particularly the National              believe that the information presented
                                                vehicle would impede any vehicle                        Federation of the Blind, have expressed               in Nissan’s petition invalidates the
                                                repairs or remedies, we are adopting                    their support of the 30 km/h crossover                agency’s previous analysis, as explained
                                                this change to clarify the existing                     speed and have not agreed that lowering               later in this document. After giving
                                                language because it was not the agency’s                it to 20 km/h is acceptable.                          these two technical requests from
                                                intention to hinder vehicle repairs or                     The agency’s position continues to be              Nissan due consideration, the agency is
                                                recall remedies.                                        that lowering the crossover speed from                not making any changes to the acoustic
                                                                                                        the 30 km/h level, contained in both the              specifications in response to these
                                                Reduce the Crossover Speed to                           NPRM and final rule, is not warranted                 requests.
                                                20 km/h                                                 by the available information, and we are                 Honda’s petition requested the
                                                  NHTSA is denying Nissan’s request to                  denying the Nissan petition request on                following technical clarifications:
                                                reduce the crossover speed from 30 km/                  this issue.                                           Whether a vehicle can switch between
                                                h (18.6 mph) to 20 km/h (12.4 mph).                                                                           2-band and 4-band compliance at the
                                                Nissan’s petition stated that NHTSA had                 Allow Driver-Selectable Alert Sounds                  different test speeds; which bands
                                                not specifically addressed their NPRM                     NHTSA has decided to seek comment                   should be selected for compliance when
                                                comment regarding this issue. The                       on Alliance/Global’s request to allow                 the highest band levels above and below
                                                Nissan petition did not provide new                     hybrid and electric vehicles to be                    1000 Hz are in adjacent rather than non-
                                                information or data on crossover speed                  equipped with multiple, driver-                       adjacent bands; and how to calculate the
                                                that NHTSA had not considered when                      selectable alert sounds before granting               average of overall SPL values (section
jstallworth on DSKBBY8HB2PROD with RULES




                                                developing the final rule.                              or denying this request. Amending the                 S7.1.4). Also, Honda requested that
                                                  NHTSA notes that the final rule did                   requirements to allow multiple sounds                 indoor testing be an option available for
                                                specifically address a JASIC study and                  per vehicle would be a substantial                    manufacturer certification in addition to
                                                test data which was the basis of the                    change to the final rule. Because                     outdoor testing.
                                                Nissan NPRM comment. More                               NHTSA did not solicit or receive                         In reviewing the regulatory text of the
                                                importantly, NHTSA included a new                       comment on the number of driver-                      December 2016 final rule to address
                                                analysis in the final rule to address                   selectable sounds that should be                      Honda’s petition, NHTSA identified


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                                                                 Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations                                           8185

                                                several inconsistencies and minor errors                   In accordance with the PSEA, NHTSA                 operating with internal combustion
                                                in section S7 of the regulatory text.                   issued an NPRM 3 on January 14, 2013,                 engines (ICEs). For example, the sound
                                                Because the agency already was making                   and a final rule 4 on December 14, 2016,              level of a hybrid Toyota Camry in
                                                a number of text changes to S7 to                       establishing FMVSS No. 141,                           electric mode in a pass-by test at 20 km/
                                                respond to Honda, NHTSA has taken                       ‘‘Minimum Sound Requirements for                      h was directly compared to the sound
                                                this opportunity to correct and clarify                 Hybrid and Electric Vehicles.’’                       level of a conventional gas-engine
                                                the text as needed to resolve those                       NHTSA’s conducted a statistical crash               Toyota Camry of the same model year at
                                                inconsistencies and errors.                             data study, as cited in the final rule,5              the same pass-by speed of 20 km/h.
                                                                                                        which found that the pedestrian crash                    The NPRM specified an outdoor
                                                Comment About Availability of                           rate of hybrid vehicles was 1.18 times                compliance test procedure based on the
                                                Documents Incorporated by Reference                     greater than that of conventional ICE                 September 2011 version of SAE J2889–
                                                   A submission to the docket from                      vehicles. The agency’s Final Regulatory               1. The compliance procedure included
                                                Publicresource.org was concerned with                   Impact Assessment is available in the                 tests for stationary, reverse, and pass-by
                                                the public availability of technical                    docket 6 with some proprietary                        measurements conducted at 10 km/h
                                                documents that were incorporated by                     information redacted. Also, the benefits              (6.2 mph), 20 km/h (12.4 mph), and 30
                                                reference into the final rule. The                      of the final rule are summarized in                   km/h (18.6 mph). We explained in the
                                                documents in question are industry                      section V–A 7 of the final rule preamble,             NPRM that NHTSA believed that
                                                technical standards including an SAE                    and the costs are summarized in section               outdoor pass-by testing is preferable to
                                                recommended practice (in two                            V–B.8                                                 indoor testing in hemi-anechoic
                                                versions), an ISO standard (in three                      NHTSA also completed an                             chambers using chassis dynamometers
                                                versions), and an ANSI standard.                        Environmental Assessment 9 of the                     because outdoor testing is more
                                                Publicresource.org stated that various                  potential for increase in ambient noise               representative of the real-world
                                                parties and members of the public that                  levels in urban and non-urban                         interactions between pedestrians and
                                                may have some interest in the rule                      environments in the U.S. which would                  vehicles. We also expressed concern
                                                would not have adequate access to these                 result from a federal regulation setting              that specifications for indoor testing
                                                reference documents. This might                         minimum sound levels for hybrid and                   were not fully developed and did not
                                                include consumer protection groups,                     electric vehicles. The Environmental                  have a known level of objectivity,
                                                small manufacturers, hobbyists, and                     Assessment estimated that there will be               repeatability, and reproducibility for
                                                students. Publicresource.org did not                    only minimal impact in one type of non-               testing minimum vehicle sound at low
                                                specify why they believe availability                   urban scenario, and the overall                       speeds.
                                                would be limited or lacking, whether                    environmental noise increase from the                    The NPRM proposed a Sameness
                                                that would be due to cost of the                        safety standard for HVs and EVs was                   requirement in order to ensure that
                                                documents or some other reason. The                     found to be negligible.                               hybrid and electric vehicles of the same
                                                agency’s position is that the subject                                                                         make and model emit the same sound,
                                                                                                        A. Notice of Proposed Rulemaking
                                                reference documents for FMVSS No.                                                                             as directed by the PSEA. The NPRM
                                                141 are available in the same manner as                   Pursuant to the Pedestrian Safety                   proposed that vehicles of the same
                                                reference documents for any other                       Enhancement Act, NHTSA issued a                       make, model, and model year must emit
                                                FMVSS. For this rulemaking, the agency                  Notice of Proposed Rulemaking                         the same level of sound within 3 dB(A)
                                                followed the same practice for handling                 (NPRM) 10 in January 2013 to create a                 in each one-third octave band from 160
                                                reference documents as it always                        new FMVSS setting minimum sound                       Hz to 5000 Hz.
                                                follows, as set forth in Section VI,                    level requirements for low-speed
                                                                                                        operation of hybrid and electric light                B. Final Rule
                                                Regulatory Notices and Analyses, in the
                                                final rule, as well as in the                           vehicles.                                                As noted, the final rule was published
                                                corresponding section at the end of this                  The NPRM proposed a crossover                       on December 14, 2016, and established
                                                document.                                               speed of 30 km/h (18.6 mph) because at                FMVSS No. 141 which applies to
                                                                                                        that speed, based on NHTSA tests that                 electric and hybrid-electric passenger
                                                II. Background                                          used a ‘‘peer vehicle’’ comparison                    cars, MPVs, light trucks, and buses with
                                                   NHTSA’s involvement with the safety                  methodology, tire noise, wind                         a GVWR of 10,000 pounds or less and
                                                of quiet hybrid and electric vehicles and               resistance, and other noises from the                 to low speed vehicles (LSVs). The
                                                their impact on pedestrian safety goes                  vehicle eliminated the need for added                 standard applies to these vehicles if
                                                back at least a decade to when the                      alert sounds. In the agency’s tests, the              they can be operated in an electric mode
                                                agency began monitoring efforts by                      sound levels of a selection of electric               in the test conditions covered by the
                                                various outside groups on this issue. In                and hybrid vehicles were evaluated and                standard, without an any internal
                                                2008 the agency held a public meeting                   compared to the sound levels of                       combustion engine (ICE) operation. The
                                                on the safety of quiet vehicles and, the                vehicles having the same or similar                   final rule requires hybrid and electric
                                                following year, initiated a statistical                 make, model, and body type but                        vehicles to emit sound at minimum
                                                study of relevant pedestrian crashes and                                                                      levels while the vehicle is stationary
                                                                                                          3 78 FR 2797.
                                                began researching the acoustical aspects                                                                      (although not when the vehicle is
                                                                                                          4 81 FR 90416.
                                                of the safety problem.                                    5 NHTSA Traffic Safety Facts—Research Note,
                                                                                                                                                              parked, i.e., when the transmission is in
                                                   In January 2011, the U.S. Congress                                                                         ‘‘park’’), while in reverse, and while the
                                                                                                        Wu, J., Feb. 2017, ‘‘Updated Analysis of Pedestrian
                                                enacted legislation, the Pedestrian                     and Pedalcyclist Crashes with Hybrid Vehicles’’       vehicle is in forward motion up to 30
                                                Safety Enhancement Act of 2010                          available at https://crashstats.nhtsa.dot.gov/Api/    km/h. It also adopted the agency’s
jstallworth on DSKBBY8HB2PROD with RULES




                                                (PSEA), which directed NHTSA to                         Public/ViewPublication/812371.                        proposal to conduct compliance testing
                                                                                                          6 See docket NHTSA–2016–0125–0011 at
                                                undertake rulemaking to create a new                                                                          outdoors.
                                                                                                        www.regulations.gov.
                                                safety standard to require hybrid and                     7 81 FR 90505.
                                                                                                                                                                 In the final rule, the agency reduced
                                                electric vehicles to have a minimum                       8 81 FR 90507.                                      the number of one-third octave bands
                                                sound level in order to help pedestrians,                 9 See docket NHTSA–2016–0125–0009 at                for which vehicles must meet minimum
                                                especially those with impaired eyesight,                www.regulations.gov.                                  sound pressure level requirements. The
                                                to detect those vehicles.                                 10 78 FR 2798.                                      NPRM proposed that vehicles would


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                                                8186             Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations

                                                have to emit sound meeting minimum                      alert sounds that are detectable in                   reconsideration (submitted by the
                                                requirements in eight one-third octave                  various ambient environments.                         January 30, 2017, deadline) from three
                                                bands. In the final rule, hybrid and                       Regarding Sameness, NHTSA revised                  sources: The Auto Alliance in
                                                electric vehicles will instead have to                  the criteria for determining that the                 conjunction with Global Automakers 11
                                                meet a requirement based on sound                       sound produced by two HVs or EVs of                   (Alliance/Global); Nissan North
                                                level in either two or four one-third                   the same make, model, and model year                  America, Inc.12 (Nissan); and American
                                                octave bands at the vehicle                             is the same. The agency determined that               Honda Motor Company, Inc.13 (Honda).
                                                manufacturer’s option, and a vehicle                    the NPRM requirement for the sound                    Alliance/Global 14 also submitted a
                                                may alternate between meeting the 2-                    produced by two specimen vehicles to                  supplemental letter in support of their
                                                band and 4-band specifications                          be within three dB(A) in every one-third              petition. In addition, General Motors
                                                depending on test speed. Vehicles                       octave band between 315 Hz and 5000                   Corp, Inc., submitted a letter providing
                                                complying with the 4-band option must                   Hz was technically not feasible. The                  support on one of the issues raised by
                                                meet minimum sound pressure levels in                   final rule instead requires that HVs and              Alliance/Global and Honda. (The GM
                                                any four non-adjacent one-third octave                  EVs of the same make, model, and                      letter contained proprietary information,
                                                bands between 315 Hz and 5000 Hz,                       model year emit the same sound by                     so it has not been released to the
                                                including the one-third octave bands                    specifying that those vehicles use the                docket.)
                                                between 630 Hz and 1600 Hz (these                       same alert system hardware and                           These petitions requested several
                                                bands were excluded in the NPRM).                       software, including specific items such               changes covering several aspects of the
                                                Vehicles complying with the 2-band                      as the same digital sound file to produce             final rule. NHTSA identified the
                                                option must meet minimum sound                          sound used to meet the minimum sound                  following six discrete requests for
                                                pressure levels in two non-adjacent one-                requirements. The final rule listed                   changes to specific requirements (listed
                                                third octave bands between 315 Hz and                   several other criteria including part                 here in the approximate order they
                                                3150 Hz, with one band below 1000 Hz                    numbers of alert system components                    appear in the Alliance/Global, Honda,
                                                and the other band at or above 1000 Hz.                 that may be evaluated to verify                       and Nissan petitions):
                                                The two bands used to meet the 2-band                   compliance with the Sameness                             1. To delay by one year both the
                                                option also must meet a minimum band                    requirement.                                          compliance phase-in date and the date
                                                sum level.                                                 The final rule made numerous                       by which all vehicle production must
                                                                                                        improvements to the proposed test                     comply with the rule (section S9);
                                                   Under the 4-band compliance option,
                                                                                                        procedures in response to comments                       2. To consolidate the compliance
                                                the minimum sound levels for each
                                                                                                        that were received on the NPRM.                       criteria for the Sameness requirement
                                                band are slightly lower than the values                    With regard to the phase-in schedule
                                                proposed in the NPRM, and the overall                                                                         (section S5.5.2) to include only the
                                                                                                        for the safety standard, the NPRM                     digital sound file and digital processing
                                                sound pressure of sounds meeting the 4-                 proposed a phase-in schedule for
                                                band option will be similar to those                                                                          algorithm;
                                                                                                        manufacturers of HVs and EVs, with 30                    3. To modify the Sameness
                                                meeting the proposed eight-band                         percent of the HVs and EVs they
                                                requirements in the NPRM. Under the 2-                                                                        requirement (S5.5.1) to allow alert
                                                                                                        produce required to comply three years                sounds to vary by trim level or model
                                                band compliance option, the minimum                     before the date for full compliance
                                                sound requirements for each band are                                                                          series rather than just by make/model;
                                                                                                        established in the PSEA, 60 percent                      4. To modify section S8, which
                                                lower than those of the proposed eight-                 required to comply two years before the
                                                band requirements for the low and mid                                                                         prohibits altering the factory-equipped
                                                                                                        full-compliance date, and 90 percent                  alert sound, so as not to impede vehicle
                                                frequency bands (315 Hz through 3,150                   required to comply one year before the
                                                Hz; the 4,000 Hz and 5,000 Hz bands are                                                                       repairs when components of the alert
                                                                                                        full-compliance date. To respond to                   system are shared with other vehicle
                                                not included for the purpose of                         comments on that proposal, the final
                                                determining compliance with the 2-                                                                            systems;
                                                                                                        rule simplified the phase-in schedule by                 5. To lower the crossover speed from
                                                band requirement.) Neither the 4-band                   shortening it to include a single year of
                                                compliance option nor the 2-band                                                                              30 km/h (18.6 mph) to 20 km/h (12.4
                                                                                                        phase-in, rather than three years. This               mph);
                                                compliance option include                               simplification provides somewhat more                    6. To modify the Sameness
                                                requirements for tones or broadband                     lead-time and responds to vehicle                     requirement so that a vehicle can be
                                                content that were contained in the                      manufacturers’ comments that the                      equipped with a suite of up to five
                                                NPRM.                                                   proposed phase-in was unnecessarily                   driver-selectable alert sounds.
                                                   For both the 2-band and 4-band                       complex.                                                 In addition to these specific requests
                                                compliance options, the final rule                         Under the final rule, half of each                 for amendments to the final rule, some
                                                expands the range of acceptable one-                    manufacturer’s HV and EV production                   of the petitions included requests for
                                                third octave bands to include those                     would have been required to comply                    technical clarifications. Nissan’s
                                                between 630 Hz and 1600 Hz (these                       with the final rule by September 1,                   submission included two such requests,
                                                bands were excluded in the NPRM). It                    2018, and 100 percent by September 1,                 one concerning the minimum sound
                                                also reflects an across-the-board                       2019. The phase-in does not apply to                  levels for 2-band and 4-band
                                                reduction in the minimum levels of 4                    multi-stage and small volume                          specifications, and the other regarding
                                                dB(A) to account for measurement                        manufacturers; all of their HV and EV                 allowing adjacent bands for compliance.
                                                variability which the agency’s                          production would have been required to                Similarly, Honda’s submission pointed
                                                development of test procedures                          comply with the final rule by September               out a few technical clarifications they
                                                indicated was needed.                                   1, 2019.                                              believe are needed, involving the
jstallworth on DSKBBY8HB2PROD with RULES




                                                   Reducing the number and minimum                                                                            intended use of 2-band and 4-band
                                                levels of required one-third octave                     III. Petitions for Reconsideration
                                                                                                        Received by NHTSA                                     compliance options, the correct method
                                                bands while expanding the number of
                                                useable bands in the final rule provided                   In response to the published final rule              11 See docket NHTSA–2016–0125–0012.
                                                additional flexibility to manufacturers                 on Minimum Sound Requirements for                       12 See docket NHTSA–2016–0125–0013.
                                                for designing pedestrian alert systems                  Hybrid and Electric Vehicles, NHTSA                     13 See docket NHTSA–2016–0125–0014.

                                                while preserving the goal of pedestrian                 received timely petitions for                           14 See docket NHTSA–2016–0125–0016.




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                                                                  Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations                                                 8187

                                                of data selection and calculation for                    phase-in schedule. This letter stated,                preferable because of the better stability
                                                certain steps in the sound evaluation                    ‘‘While GM supports NHTSA’s effort to                 and the efficiency of indoor sound
                                                process, and the option of using indoor                  create minimum sound requirements for                 measurements, and also because, from a
                                                testing.                                                 electric and hybrid vehicles, the final               harmonization standpoint, that would
                                                   Lastly, NHTSA received one                            rule contains a number of additional                  better align the safety standard with UN
                                                additional docket comment, from                          technical challenges that will require                Regulation No. 138 which permits
                                                PublicResourse.org,15 that the agency                    substantial redesigns to GM’s existing                indoor measurements.
                                                has decided to address in this                           systems.’’ GM’s letter also stated, ‘‘The
                                                document. This comment was in regard                     twenty-month phase-in provided by the                 C. Nissan Petition for Reconsideration
                                                to the availability to the public of                     final rule is far less than the normal                  Nissan submitted a cover letter and
                                                technical reference documents,                           timing required to develop, validate,
                                                                                                                                                               technical slides in which they requested
                                                specifically several industry standards                  and certify new systems.’’ GM cited the
                                                from SAE, ISO, and ANSI, that were                                                                             that NHTSA reconsider its decision in
                                                                                                         final rule’s volume shift requirement,
                                                incorporated by reference in the final                                                                         the final rule on the crossover speed,
                                                                                                         different frequency range, and several
                                                rule. This docket submission in                                                                                which the agency set at 30 km/h (18.6
                                                                                                         design changes that will be needed in
                                                discussed in more detail below.                          the sound generating systems that GM                  mph). Nissan stated that they believe
                                                                                                         already has been installing in its electric           the crossover speed should be set at 20
                                                A. Alliance/Global Petition for                                                                                km/h, and cited a previous comment 16
                                                Reconsideration and Letters of Support                   and hybrid production vehicles. The
                                                                                                         GM letter cited specific hardware                     that Nissan had submitted to the docket
                                                   The Alliance/Global petition                          changes, upgrades, and replacements                   in May 2014 in response to the agency’s
                                                addressed requirements for: Compliance                   that their current alert systems need to              NPRM and which summarized a JASIC
                                                phase-in schedule; equipping HVs and                     be compliant with FMVSS No. 141.                      study related to crossover speed. Nissan
                                                EVs with driver-selectable sounds;                          Most recently, on August 4, 2017, the              stated that NHTSA did not address this
                                                applying Sameness to each ‘‘trim level’’                 Alliance of Automobile Manufacturers                  comment in the final rule.
                                                rather than each model; limiting the                     (the Alliance), the Association of Global               Nissan’s petition also raised two
                                                Sameness compliance criteria to the                      Automakers (Global) and the National                  technical issues. The first was a request
                                                digital sound file and digital algorithm;                Federation of the Blind (NFB) wrote the               that NHTSA allow the use of adjacent
                                                and removing any prohibition on                          Deputy Secretary of the Department of                 instead of only non-adjacent one-third
                                                altering vehicle components that may be                  Transportation requesting that the                    octave bands for compliance. The
                                                shared between the alert system and                      December 2016 final rule be permitted                 second issue was a request to set the
                                                other vehicle systems.                                   to come into effect on September 5,                   minimum band sum requirements for
                                                   Regarding the phase-in schedule, in                   2017. The letter also requested that by               the 2-band compliance option to be
                                                addition to discussing design and                        September 5, 2017, NHTSA amend the                    equal to the minimum overall SPLs for
                                                manufacturing considerations that                        compliance date of the December 2016                  the 4-band compliance option. Although
                                                would make the final rule schedule                       final rule to delay the phase-in and full             these two issues raised by Nissan ask
                                                unfeasible, Alliance/Global’s petition                   compliance dates by one year and by                   the agency to reconsider specific
                                                pointed out that NHTSA’s interpretation                  November 6, 2017, respond to the                      requirements of the final rule and
                                                of the PSEA language regarding                           remaining technical issues in the                     request specific changes, we believe
                                                compliance dates appeared to have                        pending petitions for reconsideration.                these two issues were addressed in the
                                                changed between the NPRM and the                                                                               discussion of NHTSA’s acoustic
                                                final rule. The petition argued that the                 B. Honda Petition for Reconsideration
                                                                                                                                                               research in the final rule preamble.
                                                earlier interpretation was the correct                      Honda’s petition included two
                                                                                                                                                               Thus, we have decided it is appropriate
                                                one and that, under that interpretation,                 specific petition requests, one regarding
                                                                                                                                                               to treat these issues as technical
                                                the agency is required to provide an                     the phase-in schedule, and the other
                                                                                                                                                               clarifications.
                                                additional year of lead-time before full                 regarding allowance for alert sounds to
                                                compliance is required.                                  vary from vehicle to vehicle according                D. Other Issues
                                                   Alliance/Global submitted a                           to model ‘‘series’’ as well as make,
                                                supplementary letter which provided                      model, and model year. The remainder                     A comment from Publicresource.org
                                                further detail on the phase-in schedule                  of Honda’s submission was concerned                   expressed concern with public
                                                and the issue of driver-selectable                       with technical clarifications and                     availability of technical documents that
                                                sounds. On the phase-in, the                             comments on the rule. Honda asked if                  were incorporated by reference into the
                                                supplemental submission discussed                        it is acceptable under the 2-band and 4-              final rule. The documents in question
                                                specific final rule requirements that had                band compliance specifications for a                  are industry technical standards
                                                changed since the NPRM. It also noted                    vehicle to switch back and forth                      including an SAE recommended
                                                several areas where the final rule is                    between the two specifications at the                 practice (in two versions), an ISO
                                                different from the UN Regulation No.                     different speed conditions of the test                standard (in three versions), and an
                                                138. In their supplementary submission,                  procedure. Honda also asked NHTSA to                  ANSI standard. Publicresource.org
                                                Alliance/Global also indicated that, if a                clarify section S7.1.6(e)(i) of the test              stated that various parties such as
                                                set of driver-selectable sounds was                      procedure, noting that there could be a               consumer protection groups, small
                                                permitted, manufacturers would limit                     conflict when choosing the two highest                manufacturers, hobbyists, and students
                                                the number to no more than five                          band levels while also choosing only                  would not have adequate access to these
                                                different sounds per make, model,                        non-adjacent bands for the compliance                 reference documents. Publicresource.org
jstallworth on DSKBBY8HB2PROD with RULES




                                                model year, and trim level of vehicle.                   evaluation. In addition, Honda asked                  did not specify why that would be the
                                                   A letter in support of the Alliance/                  NHTSA to clarify the calculation                      case, i.e., whether it is due to the cost
                                                Global petition submitted by GM                          method for averaging overall SPLs in                  of the documents when purchased from
                                                (submitted under a request for                           section 7.1.4(c) of the test procedure.               their respective technical organizations,
                                                confidentiality) addressed the issue of                     Lastly, Honda stated that indoor                   or some other reason.
                                                                                                         testing should be optional for FMVSS
                                                  15 See   docket NHTSA–2016–0125–0004.                  No. 141 compliance evaluations and is                   16 See   docket NHTSA–2011–0148–0326.



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                                                8188             Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations

                                                IV. Agency Response and Decision                        having no foreseeable impact on the                   difficult for manufacturers to make the
                                                   As outlined in the previous section of               safety benefits estimated in the                      design modifications necessary for
                                                this document, the petitions requested a                December 2016 final rule, as this rule                vehicles subject to FMVSS No. 141 to
                                                number of changes covering several                      simply corrects an error in the original              meet the current final rule phase-in
                                                aspects of the final rule. NHTSA                        final rule related to the phase-in                    schedule and full compliance date,
                                                identified six discrete requests for                    schedule and does not make changes                    especially in light of the significant
                                                changes to specific requirements. As                    that affect the substance of the required             changes from the NPRM and the
                                                stated previously, to facilitate                        alert sound.                                          uncertainty surrounding the issues
                                                                                                           Our decision to deny one request, as               raised in the petitions for
                                                responding to the petitions, the agency
                                                                                                        well as the agency’s intent to seek                   reconsideration.
                                                is treating each of the six issues as
                                                                                                        comment on one issue, also are                           In the Final Rule, the agency
                                                separate requests and addressing each                   discussed in detail below. In addition,               estimated that the economic impact of
                                                request individually below.                             we address some technical issues raised               the rule for MY 2020 vehicles was $42M
                                                   After considering all information
                                                                                                        and other comments relating to the final              to $41.5M in costs and $320M to
                                                provided by petitioners, NHTSA is                       rule.                                                 $247.5M in benefits at the 3 percent and
                                                granting four of the requested actions,                                                                       7 percent discount rates. However, in
                                                denying one request (on crossover                       A. Phase-In Schedule, Compliance
                                                                                                                                                              light of the issues raised in the petitions
                                                speed), and for the last item (on driver-               Dates, and Lead Time
                                                                                                                                                              and the more recent letter from the
                                                selectable sounds), the agency has                         The agency has decided to grant the                Alliance, Global, and NFB, the agency
                                                decided that it will be necessary to                    petitions from Alliance/Global and                    believes that the analysis in the final
                                                request public comment before deciding                  Honda with respect to extending the                   rule may likely have understated the
                                                how to respond to that request, and                     lead-time for compliance by extending                 initial costs to comply with the rule.
                                                NHTSA intends to issue a notice of                      the phase-in date and the full                        More specifically, the analysis was
                                                proposed rulemaking (NPRM) or other                     compliance date by one year. NHTSA is                 based on a less aggressive phase-in
                                                Federal Register document on that                       also addressing supplemental                          schedule and as such, does not support
                                                issue.                                                  submissions from Alliance/Global and                  a 100 percent compliance date of
                                                   In regard to the four petition requests              General Motors Corporation (GM) that                  September 1, 2019. In fact, comments
                                                that the agency is granting, we are                     provided information on the lead time                 received indicate that the more
                                                amending the final rule to implement                    issue.                                                accelerated phase-in schedule than what
                                                the following changes:                                     After further consideration, we agree              the agency had intended is not
                                                   • Amend Section S9, Phase-In                         with the petitioners that the                         technically possible, which calls in to
                                                Schedule, to add exactly one year to                    interpretation of the PSEA phase-in                   question the relationship between
                                                each of the dates listed in subsections                 requirements provided by the agency in                benefits and costs presented in the Final
                                                S9.1, S9.1(a), S9.1(b), and S9.2.                       the NPRM is the correct interpretation                Rule. By delaying the compliance date
                                                   • Amend Section S5.5, Sameness                       and that delaying the full compliance                 by one year, the economic impacts of
                                                requirement, subsection S5.5.1, to allow                date until September 1, 2020 is required              the rule will more closely mirror those
                                                alert sounds to vary across different trim              by that interpretation. The PSEA states               presented in support of the Final Rule.
                                                levels, and also amend Section S4,                      that, ‘‘The motor vehicle safety standard                In this document, we are specifying
                                                Definitions, to add a new definition for                . . . shall establish a phase-in period for           new compliance dates which delay by
                                                ‘‘trim level.’’                                         compliance, as determined by the                      one full year both corresponding dates
                                                   • Amend Section S5.5, Sameness                       Secretary, and shall require full                     in the final rule, i.e., the date by which
                                                requirement, subsection S5.5.2, to limit                compliance . . . on or after September                a fifty percent phase-in must be
                                                the criteria listed in the final rule to be             1 of the calendar year that begins 3 years            achieved and also the deadline date for
                                                used for verifying compliance with the                  after the date on which the final rule is             full compliance of all vehicles subject to
                                                Sameness requirement so that the digital                issued.’’ In the NPRM, the agency had                 the requirements of the safety standard.
                                                sound file and the sound processing                     stated that the appropriate timeframe                 Under the amended one-year phase-in,
                                                algorithm are the only criteria that are                should be the calendar year beginning                 half of vehicles produced in model year
                                                required to be the same. Other criteria,                36 months after the rule was issued,                  2020 must be compliant, as follows:
                                                particularly part numbers of hardware                   such that, if a rule were issued anytime                 • Fifty percent of each manufacturer’s
                                                components, would not be listed in the                  in 2016, the 36-month period after the                total production of hybrid and electric
                                                regulatory text.                                        date of publication of the final rule                 vehicles, subject to the applicability of
                                                   • Amend Section S8, Prohibition on                   would end sometime in 2019. Thus, the                 FMVSS No. 141 and produced on and
                                                altering the sound of a vehicle subject                 first calendar year that would begin after            after September 1, 2019, and before
                                                to this standard, to clarify that the rule              that date in 2019 would be calendar                   September 1, 2020, shall comply with
                                                does not prohibit vehicle repairs                       year 2020, meaning that full compliance               the safety standard;
                                                unrelated to the alert system in the case               should be by September 1, 2020. The                      OR, at the manufacturer’s option: 50
                                                of replacement of hardware components                   agency believes that its interpretation               percent of each manufacturer’s average
                                                shared between the alert system and                     from the NPRM continues to be the                     annual production of hybrid and
                                                other vehicle systems, i.e., a body                     correct interpretation of the PSEA. In                electric vehicles subject to the
                                                control module.                                         fact, upon review, the agency did not                 applicability of FMVSS No. 141 and
                                                   These amendments to the final rule                   actually change this interpretation in                produced on and after September 1,
                                                and the agency’s reasons for adopting                   the Final Rule, as the phase-in schedule              2016, and before September 1, 2019,
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                                                them are further discussed below. In                    and economic analysis were based on                   shall comply with the safety standard.
                                                general, we believe these changes to the                the assumption that the rule would be                    Immediately following the one-year
                                                final rule are worthwhile refinements                   published in 2015, rather than 2016,                  phase-in, starting with model year 2021,
                                                that will clarify the requirements,                     which is what actually occurred. The                  all hybrid and electric vehicles are
                                                provide more flexibility to vehicle                     agency now corrects this error.                       required to comply, as follows:
                                                manufacturers, and remove potential                        Further, NHTSA agrees that, because                   • 100 percent of each manufacturer’s
                                                barriers to achieving compliance, while                 of vehicle product cycles, it would be                production of hybrid and electric


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                                                                 Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations                                                8189

                                                vehicles subject to the applicability of                sounds for all vehicles of the same make              565.12.17 However, it also should be
                                                FMVSS No. 141 and produced on and                       and model. . . .’’                                    noted that, per the definition of
                                                after September 1, 2020, shall comply                      The automakers stated that vehicles of             ‘‘model’’ also included in Part 565.12, a
                                                with the safety standard.                               the same model can have significant                   ‘‘series’’ would not be considered a
                                                   In making these changes to the                       differences unrelated to the alert sound              subset of a model. On the contrary, a
                                                compliance schedule, we believe this                    system that might affect their sound                  ‘‘model’’ as defined in Part 565.12 is a
                                                will afford manufacturers the additional                output. For example, Honda pointed out                subset of a ‘‘series.’’ Therefore, the
                                                flexibility and lead time needed to                     that a two-door and four-door car can                 agency believes based on the existing
                                                accommodate customary vehicle design                    have the same model designation.                      definitions that ‘‘series’’ does not reflect
                                                cycles, thus addressing the schedule                    Vehicles of the same model designation                a subdivision of a model line, as Honda
                                                concerns expressed in their petitions.                  also might have different powertrains                 seems to have intended. On the other
                                                   As a consequence of the revised                      and bodywork such as grille design and                hand, we believe the term ‘‘trim level’’
                                                phase-in schedule, it is necessary to                   body cladding, which have the potential               is widely understood to denote a subset
                                                make conforming adjustments to the                      to influence both emitted sound and the               of a model, which is what the
                                                Part 585 reporting requirements in order                air-generated sound when the vehicle is               petitioners seek to achieve according to
                                                to align them with the new phase-in                     in motion.                                            the information they provided on this
                                                period. The conforming changes to Part                     Alliance/Global requested that                     issue. Therefore, we are modifying the
                                                585 are detailed below.                                 NHTSA add the term ‘‘trim level’’ to                  regulatory text to account for different
                                                Phase-In Reporting                                      ‘‘make, model, and model year’’ in                    trim level designations, without
                                                                                                        S5.5.1 so that vehicles of the same                   reference to or use of the term ‘‘series.’’
                                                   When a new safety regulation is                                                                               For this revised requirement, ‘‘trim
                                                                                                        make/model would be required to have
                                                phased in over a period of time, NHTSA                                                                        level’’ is defined to mean a subset of
                                                                                                        the same sound only if the vehicles also
                                                requires manufacturers to submit                                                                              vehicles within the same model
                                                                                                        have the same trim level designation.
                                                production data so the agency can track                                                                       designation and with the same body
                                                                                                        This would give manufacturers
                                                and verify adherence to the phase-in                                                                          type which are alike in their general
                                                                                                        flexibility to allow the alert sound to
                                                schedule. Part 585 of Title 49 of the CFR                                                                     level of standard equipment, such as a
                                                                                                        vary among vehicles that, while having
                                                contains the requirements for Phase-in                                                                        ‘‘base’’ trim level of a vehicle model.
                                                                                                        the same make/model designation, may
                                                Reporting for various FMVSS. To                                                                               Other trim levels within a model might
                                                                                                        nevertheless be physically different in
                                                implement the one-year, 50-percent                                                                            include a ‘‘sport’’ version or ‘‘luxury’’
                                                                                                        significant ways. Honda made a similar
                                                phase-in for FMVSS No. 141, the                                                                               version. These depend on the trim
                                                                                                        request but, instead of the term ‘‘trim
                                                December 2016 final rule included                                                                             designations that are used by different
                                                                                                        level,’’ Honda requested using the term
                                                amendments to Part 585, appending                                                                             manufacturers. Generally, different trim
                                                                                                        ‘‘series.’’
                                                new Subpart N, to provide for tracking                                                                        levels comprise no more than a few
                                                                                                           The agency recognizes that, because
                                                of production data so that the agency                                                                         different versions of a given model. For
                                                                                                        of the possibility of physically
                                                can verify that the requisite minimum                                                                         the purposes of FMVSS No. 141, minor
                                                                                                        significant differences between vehicles
                                                percentage of vehicles are in compliance                                                                      differences including different wheel
                                                                                                        within a model line, it is not practical
                                                during the phase-in.                                                                                          rim styles or merely being equipped
                                                   As a result of the amended phase-in                  to consider all vehicles of the same
                                                                                                        make/model to be the same for the                     with a sunroof should not be considered
                                                schedule contained in this document,                                                                          to constitute different trim levels. Trim
                                                we are making corresponding                             purposes of the pedestrian alert sound.
                                                                                                                                                              levels should be considered to be
                                                adjustments to the phase-in reporting                   The agency therefore has decided to
                                                                                                                                                              different only if they represent vehicle
                                                dates of Part 585, Subpart N, as                        grant the Alliance/Global and Honda
                                                                                                                                                              differences that are likely to alter
                                                amended in the December 14, 2016,                       petitions with respect to this aspect of
                                                                                                                                                              vehicle-emitted sound. We are
                                                final rule. This entails adding one year                the ‘‘Sameness’’ requirement. We are
                                                                                                                                                              including a definition of ‘‘trim level’’ in
                                                to the due dates in the following                       amending the final rule so that alert
                                                                                                                                                              section S4 of the regulatory text to
                                                paragraphs of Part 585, Subpart N:                      sounds can vary across different vehicle
                                                                                                                                                              reflect this.
                                                § 585.130 ‘Applicability’; § 585.132                    trim levels and also by vehicle body                     We believe relaxing the final rule in
                                                ‘Response to Inquiries’; § 585.133                      type, in addition to varying by make,                 this manner will adequately distinguish
                                                ‘Reporting Requirements’; and § 585.130                 model, and model year as provided in                  between groups of vehicles that, based
                                                ‘Records.’ These revisions appear in the                the final rule.                                       on their physical similarity, can
                                                regulatory text at the end of this                         For the revised requirement, ‘‘body                reasonably be required to have the same
                                                document.                                               type’’ is added and is used as defined                pedestrian alert sound. This change will
                                                                                                        in 49 CFR 565.12(b) which states, ‘‘Body              provide the added flexibility in meeting
                                                B. Sameness Requirement for Same                        type means the general configuration or               the Sameness requirement that the
                                                Make, Model, Model Year Vehicles                        shape of a vehicle distinguished by such              manufacturers are seeking. At the same
                                                   The petitions from Alliance/Global                   characteristics as the number of doors or             time, this change is acceptable from a
                                                and Honda requested that NHTSA                          windows, cargo-carrying features and                  regulatory standpoint given that the
                                                amend section S5.5.1 of the Sameness                    the roofline (e.g., sedan, fastback,                  agency’s understanding of the PSEA
                                                requirement in the final rule regulatory                hatchback).’’                                         language was to allow for variation of
                                                text. That section required all vehicles                   The request on this issue in Alliance/             alert sounds across different groups of
                                                of the same make, model, and model                      Global petition used the term ‘‘trim                  vehicles so long as vehicles that are the
                                                year to use the same pedestrian alert                   level’’ as the designation criterion that             same in most other respects would have
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                                                sound system and be designed to have                    would distinguish vehicles for the                    the same alert sound. As pointed out by
                                                the same sound. This requirement                        purpose of Sameness requirements in                   petitioners, vehicles of the same model
                                                originated from the PSEA which                          FMVSS No. 141, while Honda suggested                  might not be the same in many respects,
                                                stipulated that the safety standard ‘‘shall             using the term ‘‘series.’’ We note that               but vehicles of the same trim level
                                                require manufacturers to provide,                       ‘‘trim level’’ is not a term that is defined          would be the same.
                                                within reasonable manufacturing                         anywhere in NHTSA regulations, while
                                                tolerances, the same sound or set of                    the term ‘‘series’’ is defined in Part                  17 See   49 CFR 565.12, Definitions.



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                                                8190             Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations

                                                  The regulatory text of sections S4 and                appears to disregard the statutory                    FMVSS 141 compliance, but which is
                                                S5.5.1 amended per the above                            requirement to allow ‘‘reasonable                     installed—in part—to comply with
                                                discussion appears at the end of this                   manufacturing tolerances.’’ Also,                     FMVSS 141. The PSEA does not
                                                document.                                               requiring hardware-based Sameness                     preclude actions to repair such a body
                                                                                                        would unnecessarily impede                            controller for reasons unrelated to
                                                C. Criteria for Sameness of Production
                                                                                                        competitive sourcing of components                    FMVSS 141, yet the final rule appears
                                                Vehicles
                                                                                                        and related vehicle manufacturing and                 to preclude such repairs.’’ They also
                                                   The petitions from Alliance/Global                   assembly practices. For example,                      state that the requirement in the final
                                                and Honda raised concerns about the                     automakers may source a component                     rule exceeds the authority granted by
                                                wording in S5.5.2 of the Sameness                       from different suppliers, such that the               the PSEA. Alliance’s/Global’s petition
                                                requirement. Paragraph S5.5.2 states                    components have dissimilar part                       contained suggested edits to the
                                                that a ‘‘pedestrian alert system’’                      numbers even though they are built to                 regulatory text that would remove the
                                                includes all hardware and software                      the same OEM specification and have                   potential conflict in the regulatory text.
                                                components that are used to generate                    the same performance. Alliance/Global                    Alliance/Global also stated that the
                                                the alert sound. That section goes on to                also cited a legal precedent under which              final rule was unnecessarily restrictive
                                                specifically list the types of vehicle                  NHTSA regulations generally must                      on this issue, and it did not allow for
                                                components, including both hardware                     avoid being design-restrictive except                 ‘‘reasonable manufacturing tolerance’’
                                                and software, that comprise a pedestrian                when there is a valid safety justification.           as stipulated in the PSEA. Furthermore,
                                                alert system and that must be the same                     To implement the amendment                         they along with Honda are concerned
                                                on any two vehicles of the same make,                   described above, the agency is adopting               the final rule could prohibit vehicle
                                                model, and model year. Among the                        new language based largely on that                    repairs or create other obstacles to
                                                listed items that must be the same are                  suggested by Alliance/Global. The                     vehicle updates when components such
                                                ‘‘alert system hardware components                      revisions to paragraph S5.5.2                         as an electronic control unit or body
                                                including speakers, speaker modules,                    acknowledge two types of design of a                  control module are shared between the
                                                and control modules, as evidenced by                    digital sound-generating system. In                   alert system and other vehicle systems.
                                                specific details such as part numbers                   simple terms, one type uses a digitally                  We have decided to grant the request
                                                and technical illustrations.’’                          coded source, such as a digitally                     to modify the final rule with respect to
                                                   The petitioners believe that this                    recorded sound file, which is processed               this issue. Although the agency is
                                                requirement is overly design-restrictive.               by a controller program and played back               uncertain that the existing final rule
                                                In particular, they are concerned that                  through the speaker system. Another                   language in section S8 actually would
                                                requiring part numbers to be the same                   type creates the sound without a source               impede any vehicle repair or upgrade,
                                                is not feasible. Alliance/Global stated,                file using programmed algorithms that                 we are adopting this change because the
                                                ‘‘The regulatory text as written places                 generates the signal that is played back              language should be clear, and because it
                                                part-number specific restrictions on a                  through the speaker system.                           was not the agency’s intention to hinder
                                                vast number of components and as a                                                                            any vehicle repair or remedy unrelated
                                                result creates a major impediment for                   D. Alteration of the OEM Alert Sound
                                                                                                                                                              to the pedestrian alert system.
                                                manufacturing.’’ They also state, ‘‘OEMs                   Section S8 of the final rule has the                  The amended text we are adopting is
                                                may choose to source components from                    heading ‘‘Prohibition on altering the                 that suggested by Alliance/Global. The
                                                more than one vendor, and requiring the                 sound of a vehicle subject to this                    revisions appear in the amended text of
                                                use of the ‘same’ hardware and software                 standard.’’ This requirement is                       section S8 at the end of this document.
                                                may preclude that competitive process.’’                unchanged from what the agency
                                                They go on to say that the final rule is                proposed in the NPRM, and it originated               E. Crossover Speed
                                                inconsistent with the Vehicle Safety Act                from a PSEA requirement stating that                     Nissan’s petition request to lower the
                                                stipulation that each FMVSS must                        the safety standard must ‘‘prohibit                   crossover speed revisits the issues
                                                permit a manufacturer to select any                     manufacturers from providing any                      raised in Nissan’s comments to the
                                                technology that can meet the                            mechanism for anyone other than the                   NPRM. Nissan stated that NHTSA did
                                                performance requirements. Similarly,                    manufacturer or the dealer to disable,                not specifically address their May 19,
                                                Honda’s petition stated that, in cases                  alter, replace, or modify the sound’’                 2014 submission to the NPRM docket on
                                                where a shared component such as an                     except to remedy a noncompliance or                   crossover speed. Nissan’s petition for
                                                ECU that serves multiple vehicle                        defect.                                               reconsideration did not provide any
                                                functions is modified during a model                       NHTSA’s interpretation of the                      new information or data that was not
                                                year due to changes in vehicle systems                  purpose of this requirement in the PSEA               already considered by the agency when
                                                other than the alert system, ‘‘the ECU                  was to prevent access to vehicle features             developing the final rule.
                                                part number would change, thus                          which control the alert sound system so                  NHTSA notes that the final rule
                                                causing a violation of the Sameness                     that it could not be modified, adjusted,              specifically addressed a JASIC study 18
                                                requirement.’’                                          or reprogramed in a way that would                    and test data which was the basis of
                                                   The agency has decided to amend the                  change the emitted sound or render it                 Nissan’s submission. More importantly,
                                                Sameness requirements as requested to                   noncompliant. In other words, the alert               NHTSA included a new analysis in the
                                                limit the criteria listed in the final rule             system needs to be tamper-resistant to                final rule to address comments,
                                                for verifying compliance so that the                    some extent. For example, a vehicle’s                 including Nissan’s, about the need to
                                                digital sound file and the sound                        owner-accessible setup menus should                   evaluate crossover speed using
                                                processing algorithm will be the only                   not include a setting that disables the               detectability criteria rather than by other
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                                                criteria that are required to be the same               alert system.                                         methods. (Those other methods
                                                from one specimen test vehicle to                          The Alliance/Global expressed                      included comparisons of ICE sound
                                                another. The petitioners stated that                    concern with NHTSA’s wording of this                  levels with the engine on and engine off,
                                                other Sameness criteria listed in the                   requirement in the final rule. They                   referred to as the ‘‘coast down’’ method;
                                                final rule are hardware-based criteria,                 stated, ‘‘An OEM may decide to install                and also, comparisons of the sound
                                                such as component part numbers, and                     a body controller or other component
                                                should not be included because it                       that may not be dedicated solely to                     18 See   81 FR 90447.



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                                                                   Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations                                                       8191

                                                level of EVs or HVs to identical or                           For all the reasons stated above, the             adjacent components and the ambient
                                                similar ICE vehicles, called the ‘‘peer                     agency’s position continues to be that              that are enough to make a barely
                                                vehicle’’ method.) For the final rule,                      lowering the crossover speed from the               perceptible component not perceptible.
                                                NHTSA added a new detectability                             30 km/h level contained in both the                 This phenomenon appears to have
                                                analysis for crossover speed using the                      NPRM and final rule is not warranted,               influenced results of NHTSA’s
                                                Volpe detection model 19 which had                          and we are denying the Nissan petition              validation study 21 in which alert signals
                                                been used to develop the final rule’s                       request on this issue.                              with non-adjacent bands were detected
                                                acoustic specifications. In this new                                                                            more consistently (in a standardized 55
                                                                                                            F. Technical Clarifications in the Nissan           dB(A) ambient) than signals with only
                                                analysis, data from a selection of ICE
                                                                                                            and Honda Petitions                                 adjacent bands.
                                                vehicles in coast down mode (engine off
                                                to simulate EVs and HVs in electric                         Nissan Technical Issues                                NHTSA also is concerned that an
                                                mode) was analyzed by the Volpe model                                                                           acoustic specification allowing adjacent
                                                                                                               Nissan’s petition raised two technical
                                                to determine whether the vehicle noise                                                                          one-third octave bands is vulnerable to
                                                                                                            issues in addition to the petition request          poor design practice, in that a single
                                                at each test speed (10, 20, and 30                          on crossover speed addressed above.
                                                km/h) had reached a detectable level.                                                                           tone placed at the cut-off frequency of
                                                                                                            First was a request to allow the use of             a one third octave band could be
                                                NHTSA’s conclusion from this new                            adjacent instead of only non-adjacent
                                                detection-based analysis, which we                                                                              credited for two bands (one on either
                                                                                                            one-third octave bands for compliance;              side of the cut-off, with a level in both
                                                included in the final rule preamble to                      and second was a request to set the
                                                respond to comments, was that it did                                                                            bands about 3 dB lower than the tone).
                                                                                                            minimum band sum requirements at                    A signal like this, though it might
                                                not support lowering the crossover                          each test speed for the 2-band
                                                speed to 20 km/h (12.4 mph).                                                                                    technically meet a 2-band criterion with
                                                                                                            compliance option to be equal to the                adjacent bands allowed, would
                                                Furthermore, since this analysis was                        corresponding overall SPLs of the 4-
                                                based on the detection model rather                                                                             disregard NHTSA’s findings about the
                                                                                                            band compliance option.                             importance of spreading signal
                                                than comparisons between vehicles, it                          After considering these two technical
                                                provides a more useful means of                                                                                 components across a wide frequency
                                                                                                            requests from Nissan, the agency is not             range to create robust sounds detectable
                                                identifying the speed at which added                        making any changes to the acoustic
                                                sound is no longer needed than peer                                                                             in a variety of ambient sound profiles.
                                                                                                            specifications related to these issues.                For these reasons, we do not agree
                                                vehicle and coast down comparisons.20                       We note that, while Nissan phrased
                                                As Nissan’s petition cited their previous                                                                       with Nissan that adjacent bands should
                                                                                                            these two issues as petition requests, we           be allowed in the 2-band and the 4-band
                                                comment based on the existing JASIC                         are treating them as technical
                                                study rather than providing new                                                                                 compliance requirements of the FMVSS
                                                                                                            clarifications because Nissan’s petition            No. 141 final rule. Furthermore,
                                                information, NHTSA has no basis to                          did not directly respond to or                      specifying non-adjacent bands imposes
                                                revise our previous conclusion about                        acknowledge the discussion and                      only a minor limitation on alert sound
                                                crossover speed.                                            explanation in the final rule preamble as           design, and we did not find any reason
                                                   The agency also notes that the final                     to the agency’s rationale for specifying            given in Nissan’s submission why this
                                                rule contained concessions that                             non-adjacent bands for compliance and               requirement is unreasonable,
                                                indirectly address manufacturer                             the agency’s methodology for selecting              impractical, or burdensome to an extent
                                                concerns about crossover speed. In the                      the band sum levels for the 2-band                  that it should be deleted. Therefore, the
                                                final rule, the minimum number of                           compliance option. The preamble                     agency has decided not to amend the
                                                required one-third octave band                              included a lengthy discussion of                    final rule with respect to the non-
                                                components was reduced from the                             detectability research the agency                   adjacency issue raised in Nissan’s
                                                proposed number of eight bands. In                          conducted after the NPRM had been                   petition.
                                                addition, all of the required minimum                       published.                                             Regarding the second technical issue
                                                sound levels for each operating speed                          On the first issue, the question of              in Nissan’s petition, they requested that
                                                were reduced by 4 dB to offset potential                    adjacency of bands, Nissan cited a                  the band sums at each test speed for the
                                                measurement variation. By virtue of                         Zwicker loudness model that, according              2-band compliance option should be set
                                                these changes to the acoustic                               to Nissan, shows a frequency band will              equal to the overall SPL levels for the
                                                specifications, the overall level of                        mask an adjacent band when the sound                4-band compliance option. In response,
                                                sounds meeting the final rule acoustic                      level difference between the two bands              we first point out that the agency’s
                                                requirements at 30 km/h (60 to 64 dB(A)                     reaches 6 dB or more (in one-third                  reasons for specifying higher band sums
                                                for the 4-band option) is very similar to                   octave band frequencies). Nissan                    when using the 2-band option are
                                                the overall level of sounds meeting the                     pointed out that the difference from any            discussed in the preamble of the
                                                NPRM’s proposed 8-band requirements                         band to an adjacent one in the final                December 2016 final rule.22 In that
                                                at 20 km/h (approx. 62 dB(A)).                              rule’s required minimum levels is less              discussion, the agency noted that the 2-
                                                                                                            than 4 dB for all of the bands included.            band specifications were optimized so
                                                   19 Hastings, et al. Detectability of Alert Signals for
                                                                                                               Our response to this is that the                 that allowable 2-band signals would
                                                Hybrid and Electric Vehicles: Acoustic Modeling             masking data cited by Nissan applies to
                                                and Human Subjects Experiment. (2015)                                                                           achieve a degree of robustness (i.e.,
                                                Washington, DC: DOT/NHTSA; available at                     the masking of a component at the                   detectability in a wide range of ambients
                                                www.regulations.gov, Docket NHTSA–2016–0125–                center of its one-third octave band. If the         normalized to a 55 dB(A)) equivalent to
                                                0010.                                                       masker is shifted toward the signal,                that achieved by compliant 4-band
                                                   20 The PSEA defines ‘‘crossover speed’’ as the
                                                                                                            while still in its own one-third octave             signals. To maintain robustness, it was
jstallworth on DSKBBY8HB2PROD with RULES




                                                speed at which tire noise, wind resistance, or other
                                                factors eliminate the need for a separate alert sound.
                                                                                                            band, masking can take place at levels
                                                Because NHTSA’s detection model attempts to                 significantly less than 6 dB.                         21 Hastings, et al. Detectability of Alert Signals for

                                                determine when a vehicle would be detectable to                Although it may be possible,                     Hybrid and Electric Vehicles: Acoustic Modeling
                                                pedestrians based on the sound from tire noise,             depending on the ambient, to achieve                and Human Subjects Experiment. (2015)
                                                wind resistance, and other factors that may be                                                                  Washington, DC: DOT/NHTSA; available at
                                                present, NHTSA contends that the detection model
                                                                                                            detectability using adjacent bands, there           www.regulations.gov, Docket NHTSA–2016–0125–
                                                is the method for determining crossover speed most          still would be greater susceptibility to            0010.
                                                consistent with the language of the PSEA.                   the combined masking effects due to                   22 See final rule at 81 FR 90461 to 90463.




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                                                8192             Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations

                                                necessary to set the band sum levels                    vehicle could achieve compliance by                   800 Hz with the second-largest SPL of
                                                high enough to compensate for the                       meeting one or both specifications. At                the bands at or below 800 Hz. Both
                                                reduced number of bands. Without this                   20 km/h, the evaluation of both the 2-                combination of two bands selected
                                                optimization, the agency would not                      band and 4-band specifications would                  according to these restrictions are then
                                                have been able to accommodate NPRM                      be repeated independent of which                      evaluated according to S7.1.6(e)(ii) and
                                                comments calling for a 2-band                           specification was complied with at 10                 at least one must comply with the
                                                approach.                                               km/h, and the vehicle could again                     applicable requirements in section S5 of
                                                   In comparing the 2-band and 4-band                   comply with one or both specifications.               the Standard.
                                                options, robustness is achieved for the                 As long as the measured sound at a                       To make this clear, we are revising the
                                                latter by requiring acoustic energy at                  given test speed meets at least one of the            regulatory text of paragraph S7.1.6(e)(i)
                                                threshold levels in a minimum of four                   two optional specifications, then it                  in a manner similar to what Honda
                                                bands and specifying that these four                    would comply for the particular test                  suggested.
                                                bands span a minimum of nine one-                       speed.                                                   As a consequence of Honda’s request
                                                third octave bands. The idea is that for                   Regarding evaluating the relative                  to clarify this language, the agency
                                                an ambient of 55 dB(A), either the                      volume change requirement (S5.4) for                  identified two additional places in the
                                                masking components would match                          vehicles that switch between 2-band                   regulatory text—in paragraphs S7.1.5(e)
                                                those used for determining thresholds or                and 4-band compliance, we note that                   and in S7.3.5(e)—where it is necessary
                                                masking components would tend not to                    relative volume change is based on a                  to insert similar amended text because
                                                spread across a wide range of nine one-                 band sum of the whole range of 13                     those two paragraphs are analogous to
                                                third octave bands. Thus, there is a high               bands in the measured sound at each                   S7.1.6(e), that is, all three of these
                                                likelihood with a 4-band alert signal                   test condition, calculated per S7.6 of the            paragraphs address an equivalent step
                                                that some portion of the vehicle’s sound                test procedure. Because the criterion is              in the procedure, with the only
                                                will be detectable in an ambient that is                the band sum of all the bands, relative               difference being the test speed. In the
                                                55 dB(A) or lower so that it can be heard               volume change evaluation does not                     two additional paragraphs, S7.1.5(e) and
                                                by pedestrians. The 2-band option has                   depend on which of the two minimum                    S7.3.5(e), we also note that some of the
                                                fewer bands and thus fewer                              sound level options, 2-band or 4-band,                text that was of concern to Honda in
                                                opportunities to have a signal coincide                 is complied with in each test condition,              S7.1.6(e) was inadvertently omitted
                                                with an advantageous ambient level.                     and there is no conflict if a vehicle                 from the final rule. Specifically, those
                                                Instead, it achieves robustness by                      switches between the two specifications               two paragraphs should have included
                                                requiring a greater overall level (higher               for different test conditions.                        the sentence, ‘‘One band shall be below
                                                band sum) from the two bands (one                          Another technical clarification                    1000 Hz and one band shall be at or
                                                below 800 Hz and one at or above 1000                   requested by Honda was in regard to                   greater than 1000 Hz.’’
                                                Hz) that have the most acoustical                       section S7.1.6(e) of the December 2016                   To clarify the text and accurately state
                                                energy. There is a fundamental tradeoff                 final rule. That section of the test                  the procedural step for selection of
                                                between loudness versus sound                           procedure specifies which one-third                   bands to be evaluated for compliance
                                                bandwidth when comparing the 2-band                     octave bands should be selected for                   with the 2-band option, the agency is
                                                and 4-band options.                                     compliance evaluations under the 2-                   revising S7.1.5(e) and S7.3.5(e) using
                                                   In summary, NHTSA believes that the                  band compliance option. The                           the same amended text as for S7.1.6(e),
                                                approach taken in the final rule for                    requirement states that the two bands                 described above, except with different
                                                setting the band sum levels for the 2-                  with the highest levels, one below 1000               paragraph references within the text, as
                                                band option is reasonable and                           Hz and the other at or above 1000 Hz,                 appropriate. The amended text for these
                                                justifiable, and Nissan’s petition did not              should be selected. Honda said that it is             two paragraphs is included at the end of
                                                include any research or other                           unclear which bands should be selected                this document.
                                                information that would persuade the                     in the event that the two bands with the                 In addition to the above text
                                                agency to take a different approach.                    highest levels are adjacent, i.e., if they            clarifications and corrections, in section
                                                Therefore, we are not making the                        are specifically the 800 Hz and 1000 Hz               S7.1.5(e) of the December 2016 final
                                                requested change to the final rule.                     bands.                                                rule, text applying to one-third octave
                                                                                                           NHTSA recognizes this discrepancy                  band selection for the 4-band
                                                Honda Technical Issues                                  and agrees that some clarification is                 compliance option, but not for the 2-
                                                  Honda made several comments in its                    needed. The intent of the final rule was              band compliance option was included.
                                                petition about technical clarifications                 that the two one-third octave bands (one              The iterative process to select a
                                                they believe are needed in the final rule.              below and one at or above 1000 Hz)                    combination of four bands to be used to
                                                The first issue was whether a vehicle                   with the highest SPLs that are, at the                evaluate compliance does not apply for
                                                can switch between 2-band and 4-band                    same time, non-adjacent would be                      the 2-band option. Therefore, the agency
                                                compliance at the different test speeds.                selected, but the text does not specify               is deleting that sentence from three
                                                  The answer is ‘yes’, it is acceptable to              what happens if the two bands with the                sections of the test procedure where it
                                                switch between compliance with the 2-                   highest SPLs are adjacent. In that case,              is not relevant. The amended text
                                                band and 4-band options for different                   to maintain non-adjacency, another                    appears at the end of this document.
                                                test conditions (stationary, reverse, 10                band having the next-largest SPL would                   Lastly, in making the above text
                                                km/h, 20 km/h, and 30 km/h). In any                     have to be substituted for either the 800             changes, the agency identified a few
                                                test to verify compliance with FMVSS                    Hz or 1000 Hz band. This substitution                 minor mistakes and inconsistencies in
                                                No. 141, the measured sound of a                        involves at least two permutations of                 the wording of related requirements. In
jstallworth on DSKBBY8HB2PROD with RULES




                                                vehicle at each test condition would be                 band selection. In one permutation, the               sub-paragraphs S7.1.5(d)(ii) and
                                                checked for compliance with both the 2-                 800 Hz band would be selected along                   S7.1.5(e)(ii), the words ‘‘of this
                                                band and 4-band requirements. For                       with the band above 1000 Hz with the                  paragraph’’ are unnecessary because the
                                                example, sound measurements of a                        second-largest SPL of the bands at or                 exact paragraph reference numbers are
                                                vehicle in a 10 km/h pass-by test would                 above 1000 Hz. In the other                           included in the text. Furthermore, the
                                                be evaluated relative to both the 2-band                permutation, the 1000 Hz band would                   phrase ‘‘of this paragraph’’ could lead to
                                                and 4-band specifications, and the                      be selected along with the band below                 a misunderstanding as it is not entirely


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                                                                 Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations                                           8193

                                                clear what ‘‘this paragraph’’ refers to.                preamble,23 NHTSA intends to make                     No. 141 certification tests indoors as
                                                Thus, we are deleting the phrase ‘‘of this              this tool available publicly so that                  long as they can certify that a vehicle
                                                paragraph’’ in both places. Additionally,               OEMs, test labs, suppliers, and others                fully complies with the Safety Standard.
                                                in S7.1.5(e)(ii) and in S7.1.6(d)(ii),                  will have access to and full use of this
                                                                                                                                                              G. Other Comments Relevant to the
                                                where reference is made to paragraph                    tool, similar to what the agency did for
                                                                                                                                                              Final Rule
                                                ‘‘(c)’’ without further specificity, we are             FMVSS No. 126, Electronic Stability
                                                replacing ‘‘(c)’’ with the full paragraph               Control. This compliance tool will                       The comment from Publicresource.org
                                                numbers, ‘‘S7.1.5(c)’’ and ‘‘S7.1.6(c)’’                include a user interface that will prompt             expressed concern with public
                                                respectively, to avoid any                              for test data input and will                          availability of technical documents that
                                                misunderstanding and to be consistent                   automatically evaluate vehicle                        were incorporated by reference into the
                                                with the wording used in related                        compliance based on the input. All test               final rule. However, their docket
                                                sections of the test procedure. Also, to                data processing steps and calculations                submission did not specify any
                                                enhance S7.2, procedure for testing in                  in section S7 of the safety standard are              particular reasons that they believe
                                                Reverse, we are adding the sentence,                    built-in to the tool. For example, with               various parties such as consumer
                                                ‘‘The minimum sound level                               respect to Honda’s technical questions,               protection groups, small manufacturers,
                                                requirements for the Reverse test                       the tool will execute the band selection              hobbyists, and students would not have
                                                condition are contained in S5.1.2, Table                and calculate averages needed to verify               adequate access to these reference
                                                2, for 4-band compliance and in S5.2,                   compliance with the 2-band and 4-band                 documents. Thus, NHTSA is not able to
                                                Table 6, for 2-band compliance.’’                       specifications at each test speed, as well            provide a response to more adequately
                                                   Similarly, to enhance S7.4 for pass-by               as compliance with the volume change                  address any concerns they might have.
                                                tests above 20 km/h up to 30 km/h and                   requirements. The tool will evaluate all              Given that the subject documents from
                                                S7.5 for pass-by tests at 30 km/h, we are               possible band combinations, such that if              SAE, ISO, and ANSI are copyrighted
                                                adding an analogous statement to clarify                the situation regarding S7.1.6(e) cited by            material, the agency followed its normal
                                                which S5 requirements apply at those                    Honda were to arise, the tool would                   practice in making them publicly
                                                test speeds. In addition to this edit, we               evaluate all combinations of the two                  available, which includes keeping a
                                                are re-wording S7.4 to more clearly                     highest non-adjacent bands above and                  printed copy of each of the reference
                                                express the pass-by speeds that may be                  below 1000 Hz.                                        documents on hand at NHTSA
                                                tested. Finally, we are re-wording and                    The last technical issue raised in                  headquarters. Printed copies of the
                                                adding an additional sentence to S7.3.6                 Honda’s petition was about indoor                     referenced documents are also available
                                                so that pass-by test speeds above zero                  testing. Honda stated that indoor testing             at the National Archives and Records
                                                up to 10 km/h are explicitly included                   should be optional, and it is preferable              Administration. The public availability
                                                and to include specific reference to the                for certification of vehicles to FMVSS                of documents incorporated by reference
                                                appropriate requirement tables in S5 for                No. 141. Honda also stated that indoor                was discussed in Section VI of the
                                                both the zero to 10 km/h pass-by speed                  testing is accommodated in the                        December 14, 2016, final rule.25
                                                range and the greater than 10 km/h up                   European regulation, United Nations                   V. Response to Petitions for
                                                to 20 km/h pass-by speed range.                         Economic Commission for Europe                        Reconsideration
                                                   NHTSA is making these technical                      Regulation (UN ECE) No. 138, Uniform
                                                changes in section S7 as part of the                    Provisions Concerning the Approval of                   Pursuant to the process established
                                                amendments in this document to                          Quiet Road Transport Vehicles with                    under 49 CFR part 553.37, after
                                                respond to Honda’s request and to                       Regards to Their Reduced Audibility.                  carefully considering all aspects of the
                                                correct inconsistencies and minor errors                Honda cited factors such as Doppler                   petition, except for the request regarding
                                                in the regulatory text. All technical                   shift that influence outdoor testing, and             driver selectable sounds, NHTSA has
                                                changes and corrections discussed                       stated that indoor testing has better                 decided to grant the petitions discussed
                                                above appear in the amended regulatory                  stability and efficiency for sound                    above without further proceedings.
                                                text at the end of this document.                       measurement.                                          VI. Rulemaking Analyses and Notices
                                                   Another technical question in                          In response to this, the agency points
                                                Honda’s petition was how to correctly                   out that the preamble of the December                 Executive Order 12866, Executive Order
                                                calculate the average of the overall SPL                2016 final rule addressed indoor                      13563, and DOT Regulatory Policies and
                                                values in section S7.1.4 of the test                    testing 24 because this topic was raised              Procedures
                                                procedure. The answer to Honda’s                        in several NPRM comments. The agency                     Executive Order 12866, Executive
                                                question is that a linear average is taken,             acknowledged some advantages of                       Order 13563, and the Department of
                                                which is the sum of the SPL values                      indoor testing in hemi-anechoic                       Transportation’s regulatory policies
                                                divided by four. The result is rounded                  chambers but also pointed out several                 require this agency to make
                                                to a tenth of a decibel, as specified in                reasons why outdoor testing on an ISO-                determinations as to whether a
                                                the test procedure. We also point out, as               compatible test pad is preferable, and                regulatory action is ‘‘significant’’ and
                                                discussed in more detail in the                         concluded that the agency intends to                  therefore subject to OMB review and the
                                                following paragraph, that NHTSA                         conduct its own compliance tests using                requirements of the aforementioned
                                                intends to provide a computer program                   outdoor facilities. Importantly, with                 Executive Orders. The Executive Order
                                                for compliance evaluation that will                     regard to Honda’s indoor testing                      12866 defines a ‘‘significant regulatory
                                                automatically execute all necessary                     comment in their petition, the agency                 action’’ as one that is likely to result in
                                                calculations including averaging overall                notes that the absence of a specific test             a rule that may:
                                                SPLs for S7.1.4(c).                                     procedure for indoor testing in the final                (1) Have an annual effect on the
jstallworth on DSKBBY8HB2PROD with RULES




                                                   As a general response to Honda’s                     rule does not mean indoor testing is                  economy of $100 million or more or
                                                comments, we note that the agency has                   prohibited. On the contrary, vehicle                  adversely affect in a material way the
                                                been developing a ‘‘NHTSA Compliance                    manufacturers, suppliers, and others                  economy, a sector of the economy,
                                                Tool’’ for FMVSS No. 141, which is a                    have the discretion to conduct FMVSS                  productivity, competition, jobs, the
                                                programmed, computer-based                                                                                    environment, public health or safety, or
                                                application to facilitate compliance                      23 See   81 FR 90501.
                                                testing. As discussed in the final rule                   24 See   81 FR 90481.                                 25 See   81 FR 90513.



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                                                8194             Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations

                                                State, local, or Tribal governments or                  to produce different sounds. This final               as long as the manufacturer can
                                                communities;                                            rule also amends FMVSS No. 141 to                     demonstrate a good faith basis for
                                                   (2) Create a serious inconsistency or                delay the date by which manufacturers                 certification.
                                                otherwise interfere with an action taken                are required to fully comply with the
                                                or planned by another agency;                                                                                 Regulatory Flexibility Act
                                                                                                        requirements of the standard by one
                                                   (3) Materially alter the budgetary                   year.                                                    Pursuant to the Regulatory Flexibility
                                                impact of entitlements, grants, user fees,                Delaying the compliance date of                     Act (5 U.S.C. 601 et seq., as amended by
                                                or loan programs or the rights and                      FMVSS No. 141 for one year will result                the Small Business Regulatory
                                                obligations of recipients thereof; or                   in a cost savings to manufacturers of                 Enforcement Fairness Act (SBREFA) of
                                                   (4) Raise novel legal or policy issues               hybrid and electric vehicles to which                 1996), whenever an agency is required
                                                arising out of legal mandates, the                      the standard applies of $21M to                       to publish a notice of proposed
                                                President’s priorities, or the principles               $20.75M for MY 2019 and $21M to                       rulemaking or final rule, it must prepare
                                                set forth in the Executive Order.                       $20.75M75 for MY 2020 at the three and                and make available for public comment
                                                   We have considered the potential                     seven percent discount rates,                         a regulatory flexibility analysis that
                                                impact of this final rule under Executive               respectively. These cost savings will                 describes the effect of the rule on small
                                                Order 12866, Executive Order 13563,                     accrue because manufacturers of hybrid                entities (i.e., small businesses, small
                                                and the Department of Transportation’s                  and electric vehicles to which the                    organizations, and small governmental
                                                regulatory policies and procedures and                  standard applies will not have to                     jurisdictions). The Small Business
                                                have determined that today’s final rule                 comply with the phase-in requirements                 Administration’s regulations at 13 CFR
                                                is not significant for any of the                       of the standard until September 1, 2019               part 121 define a small business, in part,
                                                aforementioned reasons. This final rule                 and will not have to fully comply with                as a business entity ‘‘which operates
                                                only makes minor adjustments to the                     the standard’s requirements until                     primarily within the United States.’’ (13
                                                existing requirements of FMVSS No.                      September 1, 2020. NHTSA contends                     CFR 121.105(a)). No regulatory
                                                141. We are adjusting the phase-in                      that these cost savings estimates are                 flexibility analysis is required if the
                                                schedule and its reporting requirements                 conservative and that the true cost                   head of an agency certifies the proposal
                                                to give manufacturers additional time to                savings of the rule are likely to be higher           will not have a significant economic
                                                comply with the requirements of the                     because, as discussed above, the cost                 impact on a substantial number of small
                                                final rule. We are also making several                  benefit analysis accompanying the                     entities. SBREFA amended the
                                                minor amendments to the rule to clarify                 December 2016 final rule assumed a                    Regulatory Flexibility Act to require
                                                the rule’s requirements. We thus                        longer compliance lead time and did not               Federal agencies to provide a statement
                                                anticipate that the economic impacts of                 account for costs that may have been                  of the factual basis for certifying that a
                                                this final rule will be limited.                        necessary to comply with the rule in a                proposal will not have a significant
                                                Executive Order 13771                                   shorter time period.                                  economic impact on a substantial
                                                                                                                                                              number of small entities.
                                                   Executive Order 13771 titled                         Executive Order 13609: Promoting                         I hereby certify that this rule would
                                                ‘‘Reducing Regulation and Controlling                   International Regulatory Cooperation                  not have a significant economic impact
                                                Regulatory Costs,’’ directs that, unless                  The policy statement in section 1 of                on a substantial number of small
                                                prohibited by law, whenever an                          Executive Order 13609 provides, in part:              entities. This final rule does not make
                                                executive department or agency                                                                                any significant changes to the existing
                                                publicly proposes for notice and                           The regulatory approaches taken by foreign         FMVSS No. 141. Instead, this rule aligns
                                                comment or otherwise promulgates a                      governments may differ from those taken by
                                                                                                        U.S. regulatory agencies to address similar           the phase-in requirements with
                                                new regulation, it shall identify at least              issues. In some cases, the differences                manufacturers’ design and production
                                                two existing regulations to be repealed.                between the regulatory approaches of U.S.             cycles, and makes other minor
                                                In addition, any new incremental costs                  agencies and those of their foreign                   adjustments to specific regulatory text to
                                                associated with new regulations shall, to               counterparts might not be necessary and               facilitate manufacturer compliance with
                                                the extent permitted by law, be offset by               might impair the ability of American                  the new FMVSS No. 141. It also clarifies
                                                the elimination of existing costs. Only                 businesses to export and compete                      some technical requirements and test
                                                those rules deemed significant under                    internationally. In meeting shared challenges
                                                                                                        involving health, safety, labor, security,
                                                                                                                                                              procedures. The final requirements as
                                                section 3(f) of Executive Order 12866,                  environmental, and other issues,                      amended in this document afford more
                                                ‘‘Regulatory Planning and Review,’’ are                 international regulatory cooperation can              lead time, and somewhat greater clarity
                                                subject to these requirements. As                       identify approaches that are at least as              and flexibility to vehicle manufacturers
                                                discussed above, this rule is not a                     protective as those that are or would be              while maintaining the safety goals and
                                                significant rule under Executive Order                  adopted in the absence of such cooperation.           benefits of the enabling statute, the
                                                12866 and, accordingly, is not subject to               International regulatory cooperation can also         PSEA, under which FMVSS No. 141
                                                the offset requirements of 13771.                       reduce, eliminate, or prevent unnecessary
                                                                                                                                                              was created.
                                                   NHTSA has determined that this                       differences in regulatory requirements.
                                                rulemaking is a deregulatory action                        In the preamble to the December 2016               Executive Order 13132 (Federalism)
                                                under E.O. 13771, as it imposes no costs                final rule we discussed the reasons for                 NHTSA has examined today’s final
                                                and, instead, amends FMVSS No. 141 to                   the differences in the regulatory                     rule pursuant to Executive Order 13132
                                                give manufacturers of hybrid and                        approach taken by foreign governments                 (64 FR 43255, August 10, 1999) and
                                                electric vehicles greater flexibility                   that have addressed this issue. As stated             concluded that no additional
                                                during the manufacturing process and                    above, we are declining to adopt a test               consultation with States, local
jstallworth on DSKBBY8HB2PROD with RULES




                                                when sourcing parts that comprise the                   procedure for indoor testing included in              governments or their representatives is
                                                alert sound system. This final rule also                UN ECE Reg. No. 138. NHTSA’s test                     mandated beyond the rulemaking
                                                provides flexibility to manufacturers by                procedures are not requirements that                  process. The agency has concluded that
                                                allowing them to differentiate hybrid                   manufacturers must follow when                        the rulemaking would not have
                                                and electric vehicles of different trim                 certifying vehicles to the FMVSS and                  sufficient federalism implications to
                                                levels within a vehicle model by                        manufacturers are free to choose                      warrant consultation with State and
                                                allowing vehicles of different trim levels              whatever certification method they wish               local officials or the preparation of a


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                                                                 Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations                                           8195

                                                federalism summary impact statement.                    American Honda Motor Co., 529 U.S.                    other administrative proceeding before
                                                Today’s final rule does not have                        861 (2000).                                           they may file suit in court.
                                                ‘‘substantial direct effects on the States,                Pursuant to Executive Order 13132,                 Executive Order 13045 (Protection of
                                                on the relationship between the national                NHTSA has considered whether this                     Children From Environmental Health
                                                government and the States, or on the                    rule could or should preempt State                    and Safety Risks)
                                                distribution of power and                               common law causes of action. The
                                                responsibilities among the various                      agency’s ability to announce its                         Executive Order 13045, ‘‘Protection of
                                                levels of government.’’                                 conclusion regarding the preemptive                   Children from Environmental Health
                                                   NHTSA rules can have preemptive                      effect of one of its rules reduces the                and Safety Risks,’’ (62 FR 19885; April
                                                effect in two ways. First, the National                 likelihood that preemption will be an                 23, 1997) applies to any proposed or
                                                Traffic and Motor Vehicle Safety Act                    issue in any subsequent tort litigation.              final rule that: (1) Is determined to be
                                                contains an express preemption                             To this end, the agency has examined               ‘‘economically significant,’’ as defined
                                                provision:                                              the nature (e.g., the language and                    in Executive Order 12866, and (2)
                                                                                                        structure of the regulatory text) and                 concerns an environmental health or
                                                   When a motor vehicle safety standard is in                                                                 safety risk that NHTSA has reason to
                                                effect under this chapter, a State or a political       objectives of today’s final rule and finds
                                                                                                        that this rule, like many NHTSA rules,                believe may have a disproportionate
                                                subdivision of a State may prescribe or
                                                continue in effect a standard applicable to             prescribes only a minimum safety                      effect on children. If a rule meets both
                                                the same aspect of performance of a motor               standard. Accordingly, NHTSA does not                 criteria, the agency must evaluate the
                                                vehicle or motor vehicle equipment only if              intend that this final rule preempt state             environmental health or safety effects of
                                                the standard is identical to the standard               tort law that would effectively impose a              the rule on children, and explain why
                                                prescribed under this chapter. 49 U.S.C.
                                                                                                        higher standard on motor vehicle                      the rule is preferable to other potentially
                                                30103(b)(1).                                                                                                  effective and reasonably feasible
                                                                                                        manufacturers than that established by
                                                  It is this statutory command by                       today’s final rule. Establishment of a                alternatives considered by the agency.
                                                Congress that preempts any non-                         higher standard by means of State tort                This final rule is not subject to
                                                identical State legislative and                         law would not conflict with the                       Executive Order 13045 because it is not
                                                administrative law addressing the same                  minimum standard established in this                  economically significant.
                                                aspect of performance.                                  document. Without any conflict, there                 National Technology Transfer and
                                                  The express preemption provision                      could not be any implied preemption of                Advancement Act
                                                described above is subject to a savings                 a State common law tort cause of action.                 Under the National Technology
                                                clause under which ‘‘[c]ompliance with                     NHTSA solicited comments from the                  Transfer and Advancement Act of 1995
                                                a motor vehicle safety standard                         States and other interested parties on                (NTTAA) (Pub. L. 104–113), ‘‘all Federal
                                                prescribed under this chapter does not                  this assessment of issues relevant to                 agencies and departments shall use
                                                exempt a person from liability at                       E.O. 13132 in the NPRM. However, we                   technical standards that are developed
                                                common law.’’ 49 U.S.C. 30103(e).                       did not receive any comments with                     or adopted by voluntary consensus
                                                Pursuant to this provision, State                       regard to this issue.                                 standards bodies, using such technical
                                                common law tort causes of action                                                                              standards as a means to carry out policy
                                                                                                        Executive Order 12988 (Civil Justice
                                                against motor vehicle manufacturers                                                                           objectives or activities determined by
                                                                                                        Reform)
                                                that might otherwise be preempted by                                                                          the agencies and departments.’’
                                                the express preemption provision are                       When promulgating a regulation,                    Voluntary consensus standards are
                                                generally preserved. However, the                       Executive Order 12988 specifically                    technical standards (e.g., materials
                                                Supreme Court has recognized the                        requires that the agency must make                    specifications, test methods, sampling
                                                possibility, in some instances, of                      every reasonable effort to ensure that the            procedures, and business practices) that
                                                implied preemption of State common                      regulation, as appropriate: (1) Specifies             are developed or adopted by voluntary
                                                law tort causes of action by virtue of                  in clear language the preemptive effect;              consensus standards bodies, such as the
                                                NHTSA’s rules—even if not expressly                     (2) specifies in clear language the effect            Society of Automotive Engineers (SAE).
                                                preempted.                                              on existing Federal law or regulation,                The NTTAA directs us to provide
                                                  This second way that NHTSA rules                      including all provisions repealed,                    Congress, through OMB, explanations
                                                can preempt is dependent upon the                       circumscribed, displaced, impaired, or                when we decide not to use available and
                                                existence of an actual conflict between                 modified; (3) provides a clear legal                  applicable voluntary consensus
                                                an FMVSS and the higher standard that                   standard for affected conduct rather                  standards.
                                                would effectively be imposed on motor                   than a general standard, while                           Pursuant to the above requirements,
                                                vehicle manufacturers if someone                        promoting simplification and burden                   the agency conducted a review of
                                                obtained a State common law tort                        reduction; (4) specifies in clear language            voluntary consensus standards to
                                                judgment against the manufacturer—                      the retroactive effect; (5) specifies                 determine if any were applicable to this
                                                notwithstanding the manufacturer’s                      whether administrative proceedings are                final rule. For the specific provisions
                                                compliance with the NHTSA standard.                     to be required before parties may file                that we are adjusting in this rule, there
                                                Because most NHTSA standards                            suit in court; (6) explicitly or implicitly           were no applicable consensus
                                                established by an FMVSS are minimum                     defines key terms; and (7) addresses                  standards.
                                                standards, a State common law tort                      other important issues affecting clarity
                                                cause of action that seeks to impose a                  and general draftsmanship of                          Unfunded Mandates Reform Act
                                                higher standard on motor vehicle                        regulations.                                             The Unfunded Mandates Reform Act
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                                                manufacturers will generally not be                        Pursuant to this Order, NHTSA notes                of 1995 requires agencies to prepare a
                                                preempted. However, if and when such                    as follows. The preemptive effect of this             written assessment of the costs, benefits,
                                                a conflict does exist—for example, when                 final rule is discussed above in                      and other effects of proposed or final
                                                the standard at issue is both a minimum                 connection with Executive Order 13132.                rules that include a Federal mandate
                                                and a maximum standard—the State                        NHTSA notes further that there is no                  likely to result in the expenditure by
                                                common law tort cause of action is                      requirement that individuals submit a                 State, local, or tribal governments, in the
                                                impliedly preempted. See Geier v.                       petition for reconsideration or pursue                aggregate, or by the private sector, of


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                                                8196             Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations

                                                more than $100 million annually                         PART 571—FEDERAL MOTOR                                with detection requirements for a
                                                (adjusted for inflation with base year of               VEHICLE SAFETY STANDARDS                              stationary vehicle.
                                                1995). We note that as this final rule                                                                        *      *    *     *     *
                                                only makes minor adjustments and                        ■ 1. The authority citation for part 571                (d) For alerts designed to meet the
                                                clarifications to FMVSS No. 141. Thus,                  of title 49 continues to read as follows:             four-band requirements of S5.1 of this
                                                it would not result in expenditures by                    Authority: 49 U.S.C. 322, 30111, 30115,             standard:
                                                any of the aforementioned entities of                   30117, and 30166; delegation of authority at          *      *    *     *     *
                                                over $100 million annually.                             49 CFR 1.95.
                                                                                                                                                                (ii) Compare the average corrected
                                                National Environmental Policy Act                       ■ 2. Amend § 571.141 by adding a                      sound pressure level from S7.1.5(c) in
                                                                                                        definition for ‘‘trim level’’ in paragraph            each of the four one-third octave bands
                                                  NHTSA has analyzed this rulemaking                    S4, and revising paragraphs S5.5.1,                   selected in paragraph S7.1.5(d)(i) to the
                                                action for the purposes of the National                 S5.5.2, S7.1, S7.1.5 introductory text,               required minimum level of the
                                                Environmental Policy Act. The agency                    S7.1.5(d) introductory text, S7.1.5(d)(ii),           corresponding one-third octave band
                                                has determined that implementation of                   S7.1.5(e), S7.1.6 introductory text,                  specified in paragraph S5.1.1, Table 1,
                                                this action would not have any                          S7.1.6(d) introductory text, S7.1.6(d)(ii),           to determine compliance.
                                                significant impact on the quality of the                S7.1.6(e), S7.2, S7.3.5 introductory text,              (e) For alerts designed to meet the
                                                human environment. NHTSA has also                       S7.3.5(d) introductory text, S7.3.5(e),               two-band requirements of S5.2 of this
                                                determined that the changes in this final               and S7.3.6, S7.4, S7.5, S8, and S9 to                 standard:
                                                rule would not change the findings in                   read as follows:                                        (i) Select the two one-third octave
                                                the Final Environmental Assessment                                                                            bands, one below 1000 Hz and one at or
                                                                                                        § 571.141 Standard No. 141; Minimum
                                                prepared in connection with the final                   Sound Requirements for Hybrid and
                                                                                                                                                              above 1000 Hz, having the largest A-
                                                rule.26                                                 Electric Vehicles.                                    weighted SPL values within the range of
                                                                                                                                                              315 Hz up to 3150 Hz and that are non-
                                                Paperwork Reduction Act                                 *      *     *     *     *
                                                                                                                                                              adjacent to each other to evaluate
                                                                                                           S4 * * *                                           according to S7.1.5(e)(ii), below. In the
                                                   Under the Paperwork Reduction Act                       ‘‘Trim level’’ is defined to mean a                event that the pair of bands with the
                                                of 1995 (PRA), a person is not required                 subset of vehicles within the same                    largest SPL values are the 800 Hz and
                                                to respond to a collection of information               model designation with the same body                  1000 Hz bands, then select both of the
                                                by a Federal agency unless the                          type and which are alike in their general             following pairs to evaluate according
                                                collection displays a valid OMB control                 level of standard equipment, such as a                S7.1.5(e)(ii): The 800 Hz band along
                                                number. While this final rule adjusts the               ‘‘base’’ trim level of a vehicle model.               with the band having the second-largest
                                                timing of the phase-in reporting                        Vehicles with only minor trim                         A-weighted SPL value from the 1000 Hz
                                                requirements to match the                               differences that are unlikely to affect               and above bands; and, the 1000 Hz band
                                                manufacturer’s production year (i.e., to                vehicle-emitted sound are not                         along with the band having the second-
                                                align the requirement with other                        considered different for the purposes of              largest A-weighted SPL value from the
                                                potential phase-in reports that the                     this safety standard.                                 800 Hz and below bands. At least one
                                                manufacturer may need to produce), it                   *      *     *     *     *                            of the band pairs selected as specified
                                                includes no new collection of                              S5.5 * * *                                         in this paragraph shall meet the
                                                information because the actual reporting                   S5.5.1 Any two vehicles of the same                minimum requirements when evaluated
                                                requirements are the same as the                        make, model, model year, body type,                   according to S7.1.5(e)(ii).
                                                requirements in the April 2014 final                    and trim level (as those terms are                      (ii) Compare the average corrected
                                                rule.                                                   defined in 49 CFR 565.12 or in section                sound pressure level from S7.1.5(c) in
                                                                                                        S4 of this safety standard) to which this             each of the two one-third octave bands
                                                Regulation Identifier Number (RIN)                      safety standard applies shall be                      selected in paragraph S7.1.5(e)(i) to the
                                                  The Department of Transportation                      designed to have the same pedestrian                  required minimum level of the
                                                                                                        alert sound when operating under the                  corresponding one-third octave band
                                                assigns a regulation identifier number
                                                                                                        same test conditions and at the same                  specified in paragraph S5.2, Table 6.
                                                (RIN) to each regulatory action listed in
                                                                                                        speed including any test conditions and               Also, compare the band sum of the two
                                                the Unified Agenda of Federal
                                                                                                        speeds for which an alert sound is                    bands to the required minimum band
                                                Regulations. The Regulatory Information                 required in Section S5 of this safety                 sum in Table 6.
                                                Service Center publishes the Unified                    standard.                                               S7.1.6 Select one-third octave bands
                                                Agenda in April and October of each                        S5.5.2 For the purposes of this                    to be used for evaluating compliance
                                                year. You may use the RIN contained in                  requirement, the pedestrian alert sound               with directivity requirements for a
                                                the heading at the beginning of this                    of vehicles which meet the applicable                 stationary vehicle.
                                                document to find this action in the                     requirements in S5.1 through S5.4 of                  *      *    *     *     *
                                                Unified Agenda.                                         this standard are deemed to be the same                 (d) For alerts designed to meet the
                                                List of Subjects in 49 CFR Part 571                     if the digital source of the sound, if any,           four-band requirements of S5.1 of this
                                                                                                        is the same and if the algorithms that                standard:
                                                  Imports, Incorporation by reference,                  either generate the sound directly or
                                                                                                                                                              *      *    *     *     *
                                                Motor vehicle safety, Reporting and                     process the digital source to generate the
                                                                                                                                                                (ii) Compare the average corrected
                                                recordkeeping, Tires.                                   sound are the same.
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                                                                                                                                                              sound pressure level from S7.1.6(c) in
                                                  In consideration of the foregoing,                    *      *     *     *     *                            each of the four one-third octave bands
                                                NHTSA amends 49 CFR part 571 as                            S7.1 Stationary vehicle in forward                 selected in paragraph S7.1.6(d)(i) to the
                                                follows:                                                gear.                                                 required minimum level of the
                                                                                                        *      *     *     *     *                            corresponding one-third octave band
                                                 26 The Final EA is available in Docket No.                S7.1.5 Select one-third octave bands               specified in paragraph S5.1.1, Table 1,
                                                NHTSA–2011–0100 at http://www.regulations.gov.          to be used for evaluating compliance                  to determine compliance.


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                                                                 Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations                                              8197

                                                  (e) For alerts designed to meet the                   largest SPL values are the 800 Hz and                 connection with a repair of a vehicle
                                                two-band requirements of S5.2 of this                   1000 Hz bands, then select both of the                malfunction or to remedy a defect or
                                                standard:                                               following pairs to evaluate according                 non-compliance; or
                                                  (i) Select the two one-third octave                   S7.3.5(e)(ii): The 800 Hz band along                     (b) Provide any person with any
                                                bands, one below 1000 Hz and one at or                  with the band having the second-largest               mechanism, equipment, process, or
                                                above 1000 Hz, having the largest A-                    A-weighted SPL value from the 1000 Hz                 device intended to disable, alter,
                                                weighted SPL values within the range of                 and above bands; and, the 1000 Hz band                replace, or modify the sound emitting
                                                315 Hz up to 3150 Hz and that are non-                  along with the band having the second-                capability of a vehicle subject to this
                                                adjacent to each other to evaluate                      largest A-weighted SPL value from the                 standard, except in connection with a
                                                according to S7.1.6(e)(ii), below. In the               800 Hz and below bands. At least one                  repair of vehicle malfunction or to
                                                event that the pair of bands with the                   of the band pairs selected as specified               remedy a defect or non-compliance.
                                                largest SPL values are the 800 Hz and                   in this paragraph shall meet the                         S9 Phase-in schedule.
                                                1000 Hz bands, then select both of the                  minimum requirements when evaluated                      S9.1 Hybrid and Electric Vehicles
                                                following pairs to evaluate according                   according to S7.3.5(e)(ii), below.                    manufactured on or after September 1,
                                                S7.1.6(e)(ii): The 800 Hz band along                       (ii) Compare the average corrected                 2019, and before September 1, 2020. For
                                                with the band having the second-largest                 sound pressure level from S7.3.5(c) in                hybrid and electric vehicles to which
                                                A-weighted SPL value from the 1000 Hz                   each of the two one-third octave bands                this standard applies manufactured on
                                                and above bands; and, the 1000 Hz band                  selected in paragraph S7.3.5(e)(i) to the             and after September 1, 2019, and before
                                                along with the band having the second-                  required minimum level of the                         September 1, 2020, except vehicles
                                                largest A-weighted SPL value from the                   corresponding one-third octave band                   produced by small volume
                                                800 Hz and below bands. At least one                    specified in paragraph S5.2, Table 6.                 manufacturers, the quantity of hybrid
                                                of the band pairs selected as specified                 Also, compare the band sum of the two                 and electric vehicles complying with
                                                in this paragraph shall meet the                        bands to the required minimum band                    this safety standard shall be not less
                                                minimum requirements when evaluated                     sum in Table 6.                                       than 50 percent of one or both of the
                                                according to S7.1.6(e)(ii), below.                         S7.3.6 The procedures in S7.3.1                    following:
                                                  (ii) Compare the average corrected                    through S7.3.5 may be repeated for any                   (a) A manufacturer’s average annual
                                                sound pressure level from S7.1.6(c) in                  pass-by test speed greater than 0 km/h                production of hybrid and electric
                                                each of the two one-third octave bands                  and less than 20 km/h. For test speeds                vehicles on and after September 1, 2016,
                                                selected in paragraph S7.1.6(e)(i) to the               greater than 0 km/h and less than 10                  and before September 1, 2019;
                                                required minimum level of the                           km/h, the minimum sound level                            (b) A manufacturer’s total production
                                                corresponding one-third octave band                     requirements are contained in S5.1.1,                 of hybrid and electric vehicles on and
                                                specified in paragraph S5.2, Table 6.                   Table 1, for four-band compliance and                 after September 1, 2019, and before
                                                Also, compare the band sum of the two                   in S5.2, Table 6, for two-band                        September 1, 2020.
                                                bands to the required minimum band                      compliance. For test speeds greater than                 S9.2 Hybrid and Electric Vehicles
                                                sum in Table 6.                                         or equal to 10 km/h and less than 20                  manufactured on or after September 1,
                                                  S7.2 Stationary vehicle in reverse                    km/h, the minimum sound level                         2020. All hybrid and electric vehicles to
                                                gear. Test the vehicle per S7.1.1 through               requirements are contained in S5.1.3,                 which this standard applies
                                                S7.1.5 except that the rear plane of the                Table 3, for 4-band compliance and in                 manufactured on and after September 1,
                                                vehicle is placed on the PP’ line, no                   S5.2, Table 6, for 2-band compliance.                 2020, shall comply with this safety
                                                center microphone is used, and the                         S7.4 Pass-by tests at speeds greater               standard.
                                                vehicle’s transmission gear selector is                 than or equal to 20 km/h and less than
                                                placed in the ‘Reverse’ position. The                                                                         PART 585—PHASE-IN REPORTING
                                                                                                        30 km/h. Repeat the procedures of S7.3                REQUIREMENTS
                                                minimum sound level requirements for                    at 21 km/h ± 1 km/h. The procedures in
                                                the Reverse test condition are contained                S7.3 also may be repeated for any pass-               ■ 3. The authority citation for Part 585
                                                in S5.1.2, Table 2, for four-band                       by test speed greater than 20 km/h and                continues to read as follows:
                                                compliance and in S5.2, Table 6, for                    less than 30 km/h. For this range of test
                                                two-band compliance.                                                                                            Authority: 49 U.S.C. 322, 30111, 30115,
                                                                                                        speeds, the minimum sound level                       30117, and 30166; delegation of authority at
                                                *      *    *     *     *                               requirements are contained in S5.1.4,                 49 CFR 1.95
                                                  S7.3.5 Select one-third octave bands                  Table 4, for four-band compliance and
                                                to be used for evaluating compliance                    in S5.2, Table 6, for two-band                        ■   4. Revise § 585.130 to read as follows:
                                                with the constant speed pass-by                         compliance.                                           § 585.130    Applicability.
                                                requirements.                                              S7.5 Pass-by tests at 30 km/h.                       This subpart applies to manufacturers
                                                *      *    *     *     *                               Repeat the procedures of S7.3 at 31 km/               of hybrid and electric passenger cars,
                                                  (d) For alerts designed to meet the                   h ± 1 km/h. For this test speed, the                  trucks, buses, multipurpose passenger
                                                four-band requirements of S5.1 of this                  minimum sound level requirements are                  vehicles, and low-speed vehicles subject
                                                standard:                                               contained in S5.1.5, Table 5, for four-               to the phase-in requirements of
                                                *      *    *     *     *                               band compliance and in S5.2, Table 6,                 § 571.141, S9.1 Hybrid and Electric
                                                  (e) For alerts designed to meet the                   for two-band compliance.                              Vehicles manufactured on or after
                                                two-band requirements of S5.2 of this                   *       *   *      *     *                            September 1, 2019, and before
                                                standard:                                                  S8 Prohibition on altering the sound               September 1, 2020.
                                                  (i) Select the two one-third octave                   of a vehicle subject to this standard. No             ■ 5. Revise § 585.132 to read as follows:
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                                                bands, one below 1000 Hz and one at or                  entity subject to the authority of the
                                                above 1000 Hz, having the largest A-                    National Highway Traffic Safety                       § 585.132    Response to inquiries.
                                                weighted SPL values within the range of                 Administration may:                                     At any time during the production
                                                315 Hz up to 3150 Hz and that are non-                     (a) Disable, alter, replace, or modify             year ending August 31, 2019, each
                                                adjacent to each other to evaluate                      any element of a vehicle installed as                 manufacturer shall, upon request from
                                                according to S7.3.5(e)(ii), below. In the               original equipment for purposes of                    the Office of Vehicle Safety Compliance,
                                                event that the pair of bands with the                   complying with this Standard, except in               provide information identifying the


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                                                8198             Federal Register / Vol. 83, No. 38 / Monday, February 26, 2018 / Rules and Regulations

                                                vehicles (by make, model and vehicle                    production year ending August 31,                     § 585.134    Records.
                                                identification number) that have been                   2019, each manufacturer shall submit a                  Each manufacturer shall maintain
                                                certified as complying with the                         report to the National Highway Traffic
                                                                                                                                                              records of the Vehicle Identification
                                                requirements of Standard No. 141,                       Safety Administration concerning its
                                                                                                                                                              Number for each vehicle for which
                                                Minimum Sound Requirements for                          compliance with the requirements of
                                                Hybrid and Electric Vehicles (49 CFR                                                                          information is reported under § 585.133
                                                                                                        Standard No. 141 Minimum Sound
                                                571.141). The manufacturer’s                            Requirements for Hybrid and Electric                  until December 31, 2024.
                                                designation of a vehicle as a certified                 Vehicles (49 CFR 571.141) for its                       Issued in Washington, DC, under authority
                                                vehicle is irrevocable.                                 vehicles produced in that year. Each                  delegated in 49 CFR 1.95 and 501.5.
                                                ■ 6. In § 585.133, revise paragraph (a) to              report shall provide the information                  Heidi R. King,
                                                read as follows:                                        specified in paragraph (b) of this section            Deputy Administrator.
                                                                                                        and in § 585.2 of this part.                          [FR Doc. 2018–03721 Filed 2–23–18; 8:45 am]
                                                § 585.133   Reporting requirements.
                                                                                                        *    *      *    *     *
                                                 (a) Phase-in reporting requirements.                                                                         BILLING CODE 4910–59–P
                                                Within 60 days after the end of the                     ■   7. Revise § 585.134 to read as follows:
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Document Created: 2018-02-24 01:00:35
Document Modified: 2018-02-24 01:00:35
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal rule; response to petitions for reconsideration.
DatesEffective April 27, 2018.
ContactYou may contact Mr. Thomas Healy in NHTSA's Office of the Chief Counsel regarding legal issues at (202) 366-2992 or FAX: 202-366-3820. For non-legal issues, you may contact Mr. Michael Pyne, NHTSA Office of Crash Avoidance Standards, at (202) 366-4171 or FAX: 202-493-2990.
FR Citation83 FR 8182 
RIN Number2127-AL84
CFR AssociatedImports; Incorporation by Reference; Motor Vehicle Safety; Reporting and Recordkeeping and Tires

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