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The number and severity of the issues will tend to increase with increased ethanol content .
FORBES: Biggest Battle Yet for Biofuels Begins
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Just in 2010, the EPA slammed family budgets with such cascading mandates as increased ethanol content in gasoline, which makes fuel less efficient, corrodes engines, and by diverting farmland, forces up corn prices too.
FORBES: Obama's Very Visible Hand Strangles Business
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Furthermore, Becker states, ethanol has a lower energy content than gasoline, so to meet the same energy demands, more gallons of ethanol would have to be produced.
NPR: Environmentalists Weigh In on Ethanol
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And the energy content of ethanol is only two-thirds that of gasoline.
FORBES: Magazine Article
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As an example, Jamaica imports HYDROUS (with 5% water content) ethanol from Brazil and removes that water in Jamaica to turn it into ANHYDROUS ethanol (nearly 0% water).
FORBES: Further Implications Of The U.S. Ethanol Tariff
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Remember that ethanol has less energy content than gasoline.
FORBES: Field of Dreamers
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Some have even calculated a ratio less than one, meaning it takes more energy to produce ethanol from corn than the energy content of the fuel.
FORBES: Ethanol Isn't Worth Costlier Corn Flakes And Tortillas
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In 2011, about 40% of U.S. corn crops were diverted to ethanol (a quarter, if we take into account that nutritional content is recycled back into feeds for animals in the form of distiller grains).
CNN: Extreme heat and droughts -- a recipe for world food woes
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Upping the sugar content in the cane would lead to a higher yield of ethanol per acre.
FORBES: A Whole New Crop