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Corn ethanol challenged

2013-02-23 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Living on Earth: Corn based ethanol makes up 10% of the fuel mix in the US and EPA has approved a 15% mix. But last year 20 ethanol producers closed up shop. Wallace Tyner, an energy economist at Purdue University explains to host Steve Curwood why small ethanol producers simply can't turn a profit. Transcript CURWOOD: The current gasoline we put in our cars - E10 - contains 10 percent ethanol. Corn-based ethanol helps provide income for American farmers, and a federal mandate for ethanol aims to reduce global...

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Can Ethanol from Corn Be Made Sustainable?

2013-02-20 19:15:00| Climate Ark Climate Change & Global Warming Newsfeed

Scientific American: A new plant is rising from the fields around Emmetsburg, Iowa--one that will ferment into ethanol the cobs, stems and husks of corn from nearly 50,000 hectares of farmland. Such cellulosic ethanol offers a way to get the energy and environmental security benefits of biofuels without disrupting the food supply when the edible corn itself is used. "The facility will be operational in 2014," says Jeff Lautt, chief executive of Poet, LLC, one of the largest brewers of ethanol in the U.S. "We are on...

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