MOUNTAIN VIEW, CA - FEBRUARY 02: Google's Chris Urmson (R) shows a Google self-driving car to U.S. Transportation Secretary Anthony Foxx (L) and Google Chairman Eric Schmidt (C) at the Google headquarters on February 2, 2015 in Mountain View, California. U.S. Transportation Secretary Anthony Foxx joined Google Chairman Eric Schmidt for a fireside chat where he unveiled Beyond Traffic, a new analysis from the U.S. Department of Transportation that anticipates the trends and choices facing our transportation system over the next three decades. (Photo by Justin Sullivan/Getty Images)
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