From left, Nevada Gov. Brian Sandoval, Steve Hill, executive director of the Governor's office of economic development, and Telsa Motors CEO Elon Musk answer questions following a news conference at the Capitol, in Carson City, Nev., on Thursday, Sept. 4, 2014. Nevada Gov. Brian Sandoval announced Thursday that Tesla Motors will build a massive battery factory in the state as long as legislators approve tax breaks and other incentives worth up to $1.3 billion over 20 years. (AP Photo/Cathleen Allison)