The easy availability, lower well-to-wheel emissions, and relative ease of use associated with existing engine technology have made ethanol and ethanol-gasoline blends a viable alternative to gasoline for spark-ignition (SI) engines. The lower energy density of ethanol and ethanol - gasoline blends results in higher volumetric fuel consumption than that associated with gasoline.

Filename	Size	Update
CIMG4916.JPG	1617046	2010-01-18

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