Which cities eat up the most gas? Mint.com has the lowdown on how often their users buy gas every month, and how much they spend (click for a larger infographic).

The slobbiest gas guzzlers, according to Mint data, are San Jose, Calif. and Birmingham, Ala. The daintiest gas sippers are New York, Brooklyn (a kind of New York), D.C., and Boston — places with robust public transportation systems. (And also, to be fair, places where it's expensive to buy gas — people who commute into the city would be crazy not to buy gas in their own suburban enclaves, and it's not clear how much of the surrounding metro area Mint counts in its data.)

Maybe the most interesting data point: According to Co.Design, the cities that rank low on gas usage tend to rank high on livability indexes.

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