Each year, the American Council for an Energy-Efficient Economy (ACEEE) puts out its list of the 12 "greenest cars," taking into account tailpipe emissions, gas mileage, and curb weight. Here is our photo gallery of this year's greenest 12.
Click here for photos of the ACEEE's 12 greenest cars of 2008.
Discuss: Photos: The 12 greenest cars of 2008
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