Lots More Information
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Sources
- Motavalli, Jim. "Obama to Raise Fuel-Economy Standards." The New York Times. May 19, 2009. (May 27, 2009) http://wheels.blogs.nytimes.com/2009/05/19/obama-to-raise-fuel-economy-standards/
- U.S. Environmental Protection Agency. "About the ratings." May 25, 2009. (May 26, 2009) http://www.epa.gov/greenvehicles/Aboutratings.do
- U.S. Environmental Protection Agency. "Green Vehicle Guide." May 27, 2009. (May 27, 2009) http://www.epa.gov/greenvehicles/Index.do
- U.S. Environmental Protection Agency. "Human-related sources and sinks of carbon dioxide." Feb. 18, 2009. (May 18, 2009) http://www.epa.gov/climatechange/emissions/co2_human.html
