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...emphasis biofuels, especially ethanol, and increased fuel mileage standards for the vehicles that make up most of the U.S. passenger fleet: automobiles and light trucks, including vans, SUVs, and pickups. Nowhere in the articles, and certainly not in the energy bill, does there seem to be recognition of the inherent contradiction between increased emphasis on ethanol as an automotive fuel and increased vehicle fuel mileage.
Emphasis on creating and using more ethanol works against the 35-mile-per-gallon (mpg) average mileage goal mandated in the energy bill because ethanol has about two-thirds of the heating value of gasoline (roughly 11,000 BTU per pound of ethanol and 18,000 BTU per pound of gasoline). Therefore, the more ethanol vehicles use the lower their fuel mileage will be. have already experienced a loss of about one mile per gallon in the fuel mileage of my conventional passenger sedan as all the local manufacturer-recommended fuel it uses has come to include 10% ethanol....
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