Tesla's electric Model S hits the road in Arizona
Tesla Motors
SAN FRANCISCO, CA - SEPTEMBER 14: CEO & CTO of Space Exploration Technologies, Co-Founder & CEO of Tesla Motors Elon Musk (L) and TechCrunch Co-Editor Erick Schonfeld speak onstage at Day 3 of TechCrunch Disrupt SF 2011 held at the San Francisco Design Center Concourse on September 14, 2011 in San Francisco, California. (Photo by Araya Diaz/Getty Images for TechCrunch)
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