Ethanol's Changing Clout
FILE - In this March 7, 2007 file photo, trucks sit outside the Horizon Ethanol plant, in Jewell, Iowa, built by Sioux Falls, S.D.-based Poet LLC. Is corn-based ethanol fuel the wave of the future, creating domestic jobs and vital to the nation's energy supply? Or is it a taxpayer boondoggle responsible for higher food prices? For some in Washington, the answer to that question has changed. (AP Photo/Charlie Neibergall, File)
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