7 things to know about ethanol

Associated Press
7 things to know about ethanol

In this July 26, 2013, photo, Des Moines water works lab supervisor Jeff Mitchell prepares a water sample for nitrate testing in Des Moines. A mandate to increase ethanol production has resulted in millions of acres of new row crops being planted, in some cases on highly erodible land, helping to increase nitrate pollution in municipal water supplies like Des Moines. (AP Photo/Charlie Riedel)

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