NEW YORK, NY - MARCH 01: A gas-electric hybrid taxi cab drives on a street March 1, 2011 in New York City. The U.S. Supreme Court has decided not to hear an appeal in a case that ends New York City ... more 
NEW YORK, NY - MARCH 01: A gas-electric hybrid taxi cab drives on a street March 1, 2011 in New York City. The U.S. Supreme Court has decided not to hear an appeal in a case that ends New York City Mayor Mike Bloomberg's four-year fight to force the yellow-taxi industry in New York to fully replace its 13,000 vehicles with gas-electric hybrids. (Photo by Chris Hondros/Getty Images) less 
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Getty Images | Photo By Chris Hondros / Getty Images
Tue, Mar 1, 2011 1:32 PM EST