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Published November 12, 2013, 12:00 AM

Ethanol Costs


In this July 20, 2013, photo, environmentalist Craig Cox looks at a corn field near Ames, Iowa. The government’s predictions of ethanol’s benefits have proven so inaccurate that independent scientists question whether it will ever achieve its main environmental goal: reducing greenhouse gases. That makes the hidden costs even more significant. "This is an ecological disaster," said Cox, with the Environmental Working Group, a natural ally of the president that, like others, finds itself at odds with the White House. Higher corn prices due to demand for the crop to produce ethanol has led to more acres planted and stream pollution from fertilizer runoff. (AP Photo/Charlie Riedel)
Read the article: Ethanol helps spur corn's northward move in Minnesota