Credits SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 SSc4.3 This website offers comparisons of new and used cars and trucks based on gas mileage (mpg), greenhouse gas emissions, air pollution ratings, and safety information. Resource type Publications Link http://www.fueleconomy.gov/feg