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Does ethanol require more energy to produce than it delivers as a fuel?

April 26, 2017Delivers energy ethanol FUEL require

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Does ethanol require more energy to produce than it delivers as a fuel?

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Ethanol has a positive energy balance. The energy content of ethanol is greater than the fossil energy used to produce it. This balance is constantly improving with new technologies. Over the last 20 years, the amount of energy needed to produce ethanol from corn has significantly decreased because of improved farming techniques, more efficient use of fertilizers and pesticides, higher-yielding crops, and more energy-efficient conversion technology.