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Ethanol is a renewable fuel made from corn and other plant materials. The use of ethanol is widespread, and approximately 97% of gasoline in the U.S. contains some ethanol. The most common blend of ethanol is E10 (10% ethanol, 90% gasoline). Ethanol is also available as E85 (or flex fuel)—a high-level ethanol blend containing 51%-83% ethanol depending on season and geography—for use in flexible fuel vehicles. E15 is defined by the Environmental Protection Agency as a blend of 10.5%-15% ethanol with gasoline. It is an approved ethanol blend for use in model year 2001 and newer light-duty conventional vehicles.
Find information about ethanol blends, specifications, production and distribution, feedstocks, and related links.
Explore the benefits and considerations of using ethanol as a vehicle fuel.
Locate ethanol fueling stations in your area and learn about ethanol fueling infrastructure.
Learn about flexible fuel vehicles, including availability, conversions, emissions, maintenance, and safety.
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