What Tesla And Google's Approaches Tell Us About Autonomous Driving

U.S. transportation authorities are investigating the deadly collision of a Tesla Model S car. And many reports say the fatal crash has heightened concern about self-driving cars. As NPR's Sonari Glinton points out, what Tesla's Model S has are self-driving features, autonomous elements meant to assist drivers rather than replace them. Virtually all major car and tech companies are pursuing self-driving technology as the future of transportation. But Tesla and Google are the earliest innovators, taking very different approaches.