Amazon founder Jeff Bezos taught Lyft's CEO that customers are “fickle”—and it inspired his curveball interview.

Lyft CEO David Risher said the recent deal paving the way for ride-hailing drivers to form unions is a win-win, and that the company will pass the savings back to drivers in the form of better pay.

Lyft is piloting autonomous rides in Atlanta with a safety driver on board, a long-planned launch meant to help it better ...