The EPA Green Vehicle Guide rates vitually all current make and model vehicles available for purchase in the U.S. on three criteria: fuel efficiency, greenhouse gas pollution and air pollution. Users can compare 2007 models (and early release 2008 models) in these categories: small car, mid-size car, large car, wagon, pick-up, SUV, minivan, van, and other. To compare fuel efficiency of older model (used) vehicles, visit the companion site: fueleconomy.gov. No matter what size vehicle you need, a greener option may be available. Compare before your decide.