By Charles Murray – The EPA needs some way to compare electric, hybrid, and gasoline-burning vehicles. Such ratings benefit government agencies and auto companies, as well as consumers who would otherwise struggle to compare kilowatt-hours to gallons consumed. The EPA reaches its hybrid and electric vehicle figures by running test cycles, determining how many kilowatt-hours are burned, converting it to BTU/mile, and then dividing that number by the BTUs in a gallon of gasoline. The result is the MPGe figure, which will undoubtedly be a source of technical arguments for years to come. more> http://tinyurl.com/8np8ead
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