Jay Evensen: U. study shows how today's partially autonomous cars are dangerous

SALT LAKE CITY — Francesco Biondi was in the driver's seat of a partially self-driving car not long ago, talking to his passengers and enjoying the ride while the autopilot did the work. Then the car stopped behind a long line of cars inching their way through a four-way stop at an intersection."As long as the car in front would stop and restart, the system worked well, up until the point I was the first car in the line," he said.That's when Biondi's car simply darted into the intersection