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Sources
- Fueleconomy.gov. "Find Your Car's Energy Impact Score." (Accessed May 20, 2009) http://www.fueleconomy.gov/feg/sbs.htm
- Mitchell, Jacqueline. "Dirtiest Cars on America's Roads." Forbes.com. Oct. 3, 2008. (Accessed May 18, 2009)http://www.forbes.com/2008/10/03/dirtiest-cars-pollution-forbeslife-cx_jm_1003cars.html
- United States Environmental Protection Agency. "EPA: About the Ratings." (Accessed May 17, 2009)http://www.epa.gov/greenvehicles/Aboutratings.do
- United States Environmental Protection Agency. "Green Vehicle Guide." (Accessed May 17, 2009) http://www.epa.gov/greenvehicles/Index.do
