E15 Decision Excludes Marine Engines

Marine engines are not included in the EPA's new waiver.

The Environmental Protection Agency today waived a limitation on selling fuel that is more than 10 percent ethanol for model-year 2007 and newer cars and light trucks.

The waiver applies to fuel that contains as much as 15 percent ethanol, known as E15. The decision excludes marine engines and other non-road engines, such as those on snowmobiles, lawn and garden equipment, and other small gasoline-powered engines.

Marine industry groups, including the National Marine Manufacturers Association, the Marine Retailers Association of America and BoatU.S., have vigorously opposed E15.


The NMMA is concerned that the EPA does not plan to take significant steps to address anticipated problems that involve consumer confusion and the risk of misfueling. The EPA also will not take action to ensure that compatible fuels remain available for the nation’s 13 million registered boat owners or the hundreds of millions of owners of gasoline-powered equipment, the association said after the EPA’s decision.

The EPA says it has done vigorous testing to ensure that E15 is safe for cars from model-year 2007 and later and the agency reiterated in a press conference that it was holding off a decision on older-model cars. Also, Gina McCarthy, EPA’s assistant administrator for air and radiation, stressed that marine engines and other smaller engines were not included in the waiver.

Also, she said, the waiver is not a mandate to force the use of E15.


A decision on the use of E15 in model-year 2001 to 2006 vehicles will be made after the EPA receives the results of additional testing that is expected to be completed in November.

However, no waiver will be granted this year for E15 use in model-year 2000 and older cars and light trucks – or in any motorcycles, heavy-duty vehicles or non-road engines – because there are no test data to support such a waiver.

Additionally, steps are being taken to help consumers easily identify the correct fuel for their vehicles and equipment. The EPA is proposing E15 pump-labeling requirements, including a requirement that the fuel industry specify the ethanol content of gasoline sold to retailers.


An E15 petition was submitted in March 2009 to EPA by Growth Energy and 54 ethanol manufacturers. In April 2009, EPA sought public comment on the petition and received about 78,000 comments.

The petition was submitted under a Clean Air Act provision that allows the EPA to waive the act’s prohibition against the sale of a significantly altered fuel if the petitioner shows that the new fuel will not cause or contribute to the failure of the engine parts that ensure compliance with the act’s emissions limits.


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