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The Department of Energy's eGallon is intended to let plug-in vehicle drivers know how much they're saving per mile compared to motorists in gas-powered rides. It's not perfect (the numbers behind the methodology need to be updated, for starters) but it does attempt to give the average driver an ...
It's true that electric vehicles cost more than gas-powered ones (except, of course, when they don't), but the running costs are dramatically lower. How much lower? To answer that question, the Department of Energy would like to introduce you to the eGallon. Defined as "the cost of fueling a ...