California State Nonroad Engine Pollution Control Standards; Amendments to Spark Ignition Marine Engine and Boat Regulations; Notice of Decision

The Environmental Protection Agency (EPA) is granting the California Air Resources Board (CARB) request for authorization of California's amendments to its Spark Ignition Marine Engine and Boat regulations (2008 amendments). EPA's decision also confirms that certain of the 2008 amendments are within the scope of prior EPA authorizations. The 2008 amendments apply to spark ignition marine outboard motors, personal watercraft, and stern drive and inboard engines subject to California emissions regulations. This decision is issued under the authority of the Clean Air Act (CAA or Act).