A Nissan Leaf is plugged into a charging station during the dedication of Electric Avenue on the Portland State University campus in Portland, Ore. Tuesday, Aug. 16, 2011. One block of a street ... more 
A Nissan Leaf is plugged into a charging station during the dedication of Electric Avenue on the Portland State University campus in Portland, Ore. Tuesday, Aug. 16, 2011. One block of a street running through the campus features seven EV charging stations from six manufacturers, including a quick charge station where students and visitors can plug in electric cars, bicycles, trucks and motorcycles.(AP Photo/Don Ryan) less 
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Associated Press | Photo By Don Ryan
Tue, Aug 16, 2011 3:26 PM EDT