DETROIT, MI - JANUARY 13: Elon Musk, co-founder and CEO of Tesla Motors, speaks at the 2015 Automotive News World Congress January 13, 2015 in Detroit, Michigan. More than 5,000 journalists from around the world will see approximately 45 new vehicles unveiled during the 2015 NAIAS, which opens to the public January 17 and concludes January 25. (Photo by Bill Pugliano/Getty Images)