Ethanol-Gasoline Fuel Blends May Cause Human Health Risks and Engine Issues

Environmental Working Group
Executive Summary
May 15, 2009
By Olga V. Naidenko, PhD, Senior Scientist, May 2009

In March 2009 corn ethanol producers asked for help from the federal government to expand their industry. Growth Energy, a consortium of ethanol producers, petitioned the Environmental Protection Agency (EPA) to allow 50% more ethanol in gasoline than is currently permitted, requesting approval for E15 fuel (a mixture of gasoline with 15% ethanol) (Growth Energy 2009).

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