LAS VEGAS -- My first few times driving a car with adaptive cruise control, I nervously kept my foot hovering over the brake as I approached traffic ahead. Riding in Audi's A7, fitted with a test version of its Piloted Driving feature, was like that, but more so.
As Audi's autonomous driving technology is still under development, I wasn't in the driver's seat. I watched as a brave Audi staffer pushed a button, then took his hands off the wheel. The car used its forward-looking radars and laser to "see" traffic ahead, a windshield-mounted … Read more