Labourers work on the exterior of a new Tesla showroom in Shanghai, April 22, 2014. U.S. electric carmaker Tesla Motors Inc expects to invest "hundreds of millions of dollars" building charging ... more 
Labourers work on the exterior of a new Tesla showroom in Shanghai, April 22, 2014. U.S. electric carmaker Tesla Motors Inc expects to invest "hundreds of millions of dollars" building charging outlets in China, which could become its biggest global market next year, billionaire co-founder Elon Musk said. Picture taken April 22, 2014. REUTERS/Stringer (CHINA - Tags: TRANSPORT BUSINESS) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA less 
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Reuters | Photo By CHINA STRINGER NETWORK / REUTERS
Wed, Apr 23, 2014 4:30 AM EDT