Tesla CEO Elon Musk: The future runs on batteries

Elon Musk, CEO of Tesla, unveils the dual engine chassis of the new Tesla 'D' model at the Hawthorne Airport October 09, 2014 in Hawthorne, California.
Kevork Djansezian/Getty Images
Tesla CEO Elon Musk keeps going, and going and going...
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Musk is CEO of SpaceX and Tesla, with an interest on the side in getting people to Mars. Last week, we headed to the Tesla factory in Fremont, California for a chat with Musk about battery technology and the future of global transportation.