With GM putting an end to the Cruise robotaxi venture, Waymo reaching 5 million rides and NHTSA proposing new rules for driverless vehicles, there's plenty of news to end the year. The Dispatcher publisher Michael Sena joins Princeton's Alain Kornhauser and co-host Fred Fishkin for a look at those stories and more on episode 385 of Smart Driving Cars! Tune in and subscribe.