13 Jul '11, 8pm

Find out why miles per gallon is so last year:

Why Gallons Per Mile Makes More Sense than Miles Per Gallon MPG is sooo last year: Those in the know recognize that gallons per mile (gpm) is a smarter way to track fuel efficiency than mpg. (If this is news to you and you’re aching to be enlightened, check out the explanation below.) This handy calculator from Professors Richard Larrick and Jack Soll at Duke University can do the math for you, comparing your current clunker to your future dream efficiency machine: (source: gpmcalculator.com ) Still confused? Let's go deeper. If you’ve ever tried to budget for a road trip, you know how frustrating it can be to estimate your gas costs. Let's assume your pokey 2008 Kia Rio gets about 34 mpg on the highway, and it’s 200 miles to your friend’s cabin. 200 divided by 34 times the unholy cost of gas is … when was the last time anyone took a math class? The calculations take on mo...

Full article: http://www.grist.org/gallons-per-mile

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