A self-driving Uber car was involved in a high-speed crash in Tempe, Arizona yesterday. No one was seriously injured, and the Volvo XC90 SUV, which was driving itself at the time, had the right of way and bears no blame, according to police. “We are continuing to look into this incident and can confirm we had no backseat passengers in the vehicle,” says Uber spokesperson Chelsea Kohler. Two engineers were riding up front, and Uber has