A global shift to driverless vehicles could create a dream scenario in which traffic congestion and emissions contributing to climate change plummet by 50 percent or more by 2050. Dan Sperling, Director of the Institute of Transportation Studies at UC Davis, talks about the change on the horizon, with comments from Emily Castor Warren, Senior Director of Transportation Policy at Lyft, and Sacramento Mayor, Darrell Steinberg. Series: "UCTV Prime" [Show ID: 34113]