Panasonic Corp's lithium-ion batteries, which are part of Tesla Motor Inc's Model S and Model X battery packs, are displayed in front of a poster of a Tesla Model S during a news conference at the ... more 
Panasonic Corp's lithium-ion batteries, which are part of Tesla Motor Inc's Model S and Model X battery packs, are displayed in front of a poster of a Tesla Model S during a news conference at the Panasonic Center in Tokyo, ahead of the 2013 Tokyo Motor Show, November 19, 2013. REUTERS/Yuya Shino less 
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Reuters | Photo By � Yuya Shino / Reuters / Reuters
Tue, Nov 26, 2013 8:39 PM EST