Google has hired a veteran auto industry executive to run its self-driving car project, a sign the tech giant is serious about challenging car makers with its autonomous vehicles. John Krafcik is the former head of Hyundai’s American operation, and was most recently the president of TrueCar, a car pricing service that works to make negotiations with dealers less stressful for consumers. He’ll join Google later this month as CEO of the self-driving car project,…