Uber, After Years of Trying, Is Handing Off Its Self-Driving Car Project. Uber Technologies Inc, Car Services and Livery Cabs, Driverless and Semiautonomous Vehicles, Mergers, Acquisitions and Divestitures, Aurora Innovation Inc, Trucks and Trucking, Start-ups, Computers and the Internet, Khosrowshahi, Dara, Urmson, Chris P (1976- )