Ford's Adding Another Self-Driving Feature to Its Cars Next Year

There's a lot of debate over when--and whether--self-driving cars will hit the road. Elon Musk says six years . Volvo says three . However, some of the features of self-driving cars are already in action. And with Ford's announcement that its sedans will sport pedestrian detection technology starting next year, there are about to be a lot more cars sporting autonomous tech.