Europe is swimming in vehicles that burn the stuff, but in the U.S. the only option is the 2012 Honda Civic Natural Gas, formerly known as the Civic GX.

FORBES: New Honda Civic Will Be Only Consumer CNG Car In America

And few people bought the number one green car, the Honda Civic GX, which burns natural gas.

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Honda has hired Gladstein, Neandross and Associates to promote the Civic Natural Gas in 19 states in the Midwest, Northeast and Mid-Atlantic regions.

FORBES: New Honda Civic Will Be Only Consumer CNG Car In America