Ride along inside Aurora’s self-driving semitruck

While investors focus on Tesla’s Cybercab and Waymo’s robotaxis, autonomous trucking has been quietly gaining traction. Aurora Innovation has begun commercial freight runs in Texas and is expanding its fleet of driverless semitrucks. CNBC's Phil LeBeau went for a ride along with Aurora CEO Chris Urmson to learn more about why he believes autonomous freight is nearing a turning point.