The Alphabet unit starts commercial operations in its fourth city, where rides can be booked with Uber’s app. Uber is also providing charging and maintenance services.

Waymo brings its robotaxis to Tesla’s home town of Austin, Texas, via the Uber app. And one other big city will see Waymo cars later this year.

Uber and Waymo have partnered to introduce self-driving taxis in Austin, Texas, starting Tuesday. This collaboration aims to expand Waymo's robotaxi service to more cities, including Atlanta. The initiative highlights a shift towards autonomous vehicles,