NASHVILLE, TN - SEPTEMBER 27: Dr. Sharon Matthews and guests view the Nissan LEAF the Nissan announcement of Founding Sponsorship with Urban Green Lab on September 27, 2011 in Nashville, Tennessee. ... more 
NASHVILLE, TN - SEPTEMBER 27: Dr. Sharon Matthews and guests view the Nissan LEAF the Nissan announcement of Founding Sponsorship with Urban Green Lab on September 27, 2011 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for Nissan) less 
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Getty Images | Photo By Rick Diamond / Getty Images for Nissan
Tue, Sep 27, 2011 8:52 PM EDT