LAS VEGAS—I used my cellphone to summon a automotive this week, however the Kia Niro that met me on the Downtown Container Park right here featured just a few variations from an on a regular basis Uber or Lyft: A trio of puck-shaped antennas on the highest, tiny cameras mounted round its exterior, and Nevada autonomous-vehicle license plates.

However this battery-electric automobile operated by Halo(Opens in a brand new window) didn’t fee as a robotaxi both. I’d need to do the driving—and the automotive didn’t drive itself to me both. As a substitute, it had a distant driver sitting