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e10 e20


South Dakota Senator wants to scale the ethanol 'fuel wall' from E10 to E20

Sen. John Thune, the Republican who ousted Senate Minority Leader Tom Daschle in 2004, says it's time for all gas pumps to offer E20 blends. Right now, E10 is the standard; that is, a blend of 10 percent ethanol and 90 percent gasoline. Thune wants a jump to 20 percent ethanol mix to "grow the industry." He sent a letter to the EPA requesting the agency to certify a 20 percent blend for use in conventional engines. The EPA will study the request. It's already studying a proposal from Minnesota to offer 20 percent blends throughout the state by ... Read more →

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