2010 Cars with the Lowest Carbon Footprint

The cars with the lowest carbon footprint all save by using half the fuel of most cars. The Toyota Prius continues to the United States in fuel economy and lowest lifecycle greenhouse gas emissions. This perennial favorite midsize 4-door hatchback delivers 50 miles per gallon (mpg) and is lowest on the list with 3.7 tons of carbon dioxide equivalent for the EPA annual driving cycle. The 2010 Clean Fleet Report of Lowest GHG includes many hybrids, one SUV, and one car that runs on CNG.

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