IBM and British start-up Cera Care plan a six-month pilot to test whether lidar laser sensors, used to help self-driving cars "see", can enable elderly people to stay in their homes for longer - without compromising privacy.

Knock, knock, no one's there.

"Sunday Morning" host Jane Pauley presents our special driven by our love of the automobile, which includes Lee Cowan's story on the search for solutions to gridlock. Plus: David Pogue checks out the technology behind self-driving cars; Susan Spencer looks at some bizarre commutes; Ted Koppel races around Washington, D.C. with comedian Jay Leno in a Ford Model T; Conor Knighton takes in the view of America's scenic byways; Nancy Giles talks with drivetime DJ Cousin Brucie; and Richard Schlesinger goes up, up and away in a flying car.

Autonomous vehicles are becoming a new normal for more and more people

Self-driving cars may reshape more than our streets. In this web exclusive, correspondent David Pogue talks to David Zimmer, co-founder and president of the Lyft ride-sharing service, about the future of transportation, and what will change as new technologies make us less and less dependent on owning a car. Don't miss Pogue's report on autonomous vehicles on "No Exit!," a "CBS Sunday Morning" primetime special, Friday, May 17 at 9 p.m. ET/PT.

Tesla is having a brutal year. But the company's missed sales forecasts and weakening demand shouldn't scare investors away from the electric vehicle business.