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'Sigh of relief' for self-driving cars after Tesla cleared

The push to bring self-driving cars to American roads got a significant boost on Thursday when the nation's chief auto safety regulator essentially cleared Tesla's Autopilot system of fault in a fatal 2016 crash.

Robot cars to descend on 10 sites U.S. names as proving grounds
UPDATED: 1/20/17 7:11 am ET - adds details

Robot cars will be put through their paces by researchers and federal regulators at 10 test tracks designated by the U.S. as official sites for

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