This Lumbering Self-Driving Truck Is Designed to Get Hit

The big promise of driverless cars is that they'll save lives by preventing crashes. Computers don't fall asleep, get drunk, or glance at that tweet. Robocar technology could save tens, even hundreds, of thousands of lives each year. Such cars remain years away, of course, but you can find an autonomous vehicle saving lives on the road right now, in Colorado. The irony is, this vehicle is designed to crash.