Ethanol's net energy balanceIn your OGJ, Oct. 6, 2003, p. 19 issue, Cal Hodge pays special attention to ethanol's supposed negative net energy balance ("Ethanol's energy contribution: real or imagined?). Although I don't find his analysis particularly convincing, it really doesn't matter—a negative net energy balance, by itself, means very little. If negative net energy balances were bad, we'd never consider excellent fuels such as petroleum gasoline, petroleum diesel, Fischer-Tropsch diesel, electricity, hydrogen from natural gas, or virtually any processed fuel, since virtually all have negative energy balances because of thermodynamic laws. Interestingly, ...

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