Green Operations

EPA Still Studying Ethanol Blend Options

December 08, 2009

WASHINGTON, D.C. --- The U.S. Environmental Protection Agency (EPA) on Dec. 1 announced that it expects to make a final determination in mid-2010 regarding whether to increase the allowable ethanol content in fuel.
In March 2009, Growth Energy, a biofuels industry association, requested the EPA to grant a waiver that would allow for the use of up to 15 percent of ethanol in gasoline. In a letter sent Dec. 1 to Growth Energy, the agency said that while not all tests have been completed, the results of two tests indicate that engines in newer cars likely can handle an ethanol blend higher than the current 10-percent limit. The agency said it will decide whether to raise the blending limit when more testing data are available. EPA also announced that it has begun the process to craft the labeling requirements that will be necessary if the blending limit is raised.

Under the Clean Air Act, the EPA was required to respond to the waiver request by December 1 of this year. The EPA has been evaluating the group's request and has received a broad range of public comments as part of the administrative rulemaking process. The EPA and the Department of Energy also undertook a number of studies to determine whether cars could handle higher ethanol blends. 

Testing has been proceeding as quickly as possible, given the available testing facilities, the EPA said.

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