Fuel economy is up, fuel consumption is down, and the road keeps getting a little bit greener each new model year Next Green Car looks ahead to the greenest and most innovative cars due for launch in 2012. Here are the best bets for driving and saving green: a great American invention (the Chevrolet Volt); the Prius (shrunken and stretched into the Prius C and Prius The top low-emission cars of the year as chosen by Next Green Car, which ranks models on air pollution as well as climate impact.
