GM Tries to Get Back Into Self-Driving Cars After Major Failure carlballou / Getty Images The self-driving car business of General Motors Co. (NYSE: GM) seemed to have a permanent setback when one of its Cruise vehicles badly injured a woman in San Francisco last October 2. To make matters worse, the California Department of Motor Vehicles said Cruise covered up the incident by pulling its “driverless” permit. Tests might have continued if there had been a human in the self-driving car. By November 20, Cr ...