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  • Broder, John M. "Obama to Toughen Rules on Emissions and Mileage." The New York Times. May 18, 2009. (May 18, 2009) http://www.nytimes.com/2009/05/19/business/19emissions.html
  • FuelEconomy.gov. "Alternative Fuels." (May 26, 2009) http://www.fueleconomy.gov/Feg/current.shtml
  • Galbraith, Kate. "New Study Tallies Corn Ethanol Costs." The New York Times. Feb. 5, 2009. (May 26, 2009) http://greeninc.blogs.nytimes.com/2009/02/05/new-study-tallies-corn-ethanol-costs/
  • Hill, Jason. Et al. "Climate change and health costs of air emissions from biofuels and gasoline." Proceedings of the National Academy of Sciences. Dec. 16, 2008. (May 28, 2009http://www.pnas.org/content/early/2009/02/02/0812835106.abstract
  • U.S. Department of Energy. "Alternative and Advanced Fuels." May 5, 2009. (May 26, 2009)http://www.afdc.energy.gov/afdc/fuels/index.html
  • Wald, Matthew L. "Study Says Minicar Buyers Sacrifice Safety." The New York Times. April 14, 2009. (May 18, 2009) http://www.nytimes.com/2009/04/14/automobiles/14crash.html