Ethanol is a renewable, largely domestic transportation fuel. Whether used in low-level blends, such as E10 (10% ethanol, 90% gasoline), or in E85 (85% ethanol, 15% gasoline), ethanol helps reduce imported oil and greenhouse gas emissions. Its use also supports the U.S. agriculture industry. This page details the benefits of ethanol.

read more from this topic.....

Low-level ethanol fuel blends are sold in every state. In fact, nearly one-third of U.S. gasoline now contains up to 10% ethanol to boost octane or meet air quality requirements. All auto manufacturers approve the use of low-level ethanol blends because these fuels work well in gasoline engines and have no noticeable difference in vehicle performance.

read more from this topic.....

Ethanol is the main component in E85, a high-level blend of 85% ethanol, 15% gasoline.

read more from this topic.....

No other E85 conversions are currently certified by EPA. Converting vehicles to run on E85 may affect their warranties.

read more from this topic.....

Flexible fuel vehicles (FFVs) are designed to run on gasoline or a blend of up to 85% ethanol (E85). Except for a few engine and fuel system modifications, they are identical to gasoline-only models.

read more from this topic.....