Originally Posted by Boston_Globe

The greenest and meanest vehicles

The American Council for an Energy-Efficient Economy today releases its annual list of the environmentally 'greenest' and 'meanest' cars, using a 0 to 100 scale based on emission levels and mileage.

By Royal Ford, Globe Staff | February 6, 2007

Three gasoline-electric hybrids, the Toyota Prius, Honda Civic, and Nissan Altima, are rated among the "greenest" cars of 2007 in the 10th annual "greenest" and "meanest" rankings released today by the American Council for an Energy-Efficient Economy. . . .