Nissan Motor Co. Chief Operating Officer Toshiyuki Shiga introduces the company's zero-emission electric car, Leaf, during a news conference at its headquarters in Yokohama, Japan, Friday, Dec. 3, ... more 
Nissan Motor Co. Chief Operating Officer Toshiyuki Shiga introduces the company's zero-emission electric car, Leaf, during a news conference at its headquarters in Yokohama, Japan, Friday, Dec. 3, 2010. less 
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Associated Press | Photo By Itsuo Inouye
Sun, Dec 5, 2010 9:18 PM EST