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Contact: James Holter
Phone: (614) 856-1900, EXT. 1280
E-mail: jholter@ama-cycle.org

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EPA acknowledges that ethanol damages engines

April 21, 2014

PICKERINGTON, Ohio -- The U.S. Environmental Protection Agency has publicly acknowledged that ethanol in gasoline can damage internal combustion engines by increasing exhaust temperatures and indirectly causing component failures, the American Motorcyclist Association reports.

The EPA statements are found in a rule proposal issued by the Federal Trade Commission regarding a new label for pumps that supply fuel blends high in ethanol.

According to the EPA, "[e]thanol impacts motor vehicles in two primary ways. First ... ethanol enleans the [air/fuel] ratio (increases the proportion of oxygen relative to hydrocarbons) which can lead to increased exhaust gas temperatures and potentially increase incremental deterioration of emission control hardware and performance over time, possibly causing catalyst failure. Second, ethanol can cause materials compatibility issues, which may lead to other component failures.

"In motorcycles and nonroad products [using E15 and higher ethanol blends], EPA raised engine-failure concerns from overheating."

These EPA statements, contained in the FTC document, back the long-held position of the AMA.

"The American Motorcyclist Association has fought the distribution of E15 fuel blends in an effort to protect motorcycle and all-terrain vehicles from the damage that ethanol causes," said Wayne Allard, AMA vice president for government relations. "Now the EPA acknowledges that ethanol itself is harmful to emissions hardware and other components on all motor vehicles. It is time for the federal government to pause, take a hard look at this product and change its entire approach to ethanol in fuels."

E15 is a gasoline formulation that contains up to 15 percent ethanol by volume.

None of the estimated 22 million motorcycles and ATVs currently in operation can use fuels with blends higher than 10 percent ethanol. Doing so could void the manufacturer's warranty, in addition to causing damage to the vehicle.

The AMA applauded the EPA's decision in its proposed rule to roll back the requirement for wider distribution and use of E15 under its Renewable Fuel Standard.

The AMA also is concerned about the continued availability of E10 blends and E0 fuels -- gasoline with zero ethanol content -- if E15 is allowed to permeate the marketplace. 

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About the American Motorcyclist Association

Since 1924, the AMA has protected the future of motorcycling and promoted the motorcycle lifestyle. AMA members come from all walks of life, and they navigate many different routes on their journey to the same destination: freedom on two wheels. As the world's largest motorcycling rights organization, the AMA advocates for motorcyclists' interests in the halls of local, state and federal government, the committees of international governing organizations, and the court of public opinion. Through member clubs, promoters and partners, the AMA sanctions more motorsports competition and motorcycle recreational events than any other organization in the world. AMA members receive money-saving discounts from dozens of well-known suppliers of motorcycle services, gear and apparel, bike rental, transport, hotel stays and more. Through its support of the Motorcycle Hall of Fame Museum, the AMA preserves the heritage of motorcycling for future generations. For more information, please visit AmericanMotorcyclist.com.