Tesla floats fully self-driving cars as soon as this year. Many are worried about what that will unleash.
SAN FRANCISCO — Tesla is promising to launch “full self-driving” capabilities to hundreds of thousands of cars through an over-the-air update as soon as this year. But its push to put the features — largely unregulated and unproven on real-world roads — in the hands of American drivers is putting industry executives and regulators on edge.