New York Mayor Michael Bloomberg, left, arrives in an electric taxicab for a press conference on Monday, April 22, 2013 in New York. Six Nissan-donated Leaf all-electric vehicles will be part of a

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New York Mayor Michael Bloomberg, left, arrives in an electric taxicab for a press conference on Monday, April 22, 2013 in New York. Six Nissan-donated Leaf all-electric vehicles will be part of a city pilot program to see how their charging dynamic will fit into the typical 24/7 day-to-day taxi operation. (AP Photo/Bebeto Matthews) less 

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Associated Press
Mon, Apr 22, 2013 10:07 PM EDT