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Forget MPG - let's move to GPM

Photo by Laffy4k. Licensed under Creative Commons license 2.0. There's already a lot of calculation needed to figure out how efficient a vehicle is. Here in the U.S., the government tries to help by publishing official MPG numbers of the various models offered for sale. But these numbers just muddy things up, say two management professors - Richard Larrick and Jack Soll - over at Duke University. Thinking in terms of miles per gallon doesn't give people a good understanding of a vehicle's real efficiency when compared to other vehicles. In ... Read more →

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