Just hours after an event in downtown Austin, Texas, to mark the rollout, the National Highway Traffic Safety Administration said it opened an audit of about 1,000 Cybercab vehicles to assess how Tesla determined the cars comply with federal vehicle-safety regulations.

Tesla's Cybercab robotaxi faces its biggest test at a September 3 launch event in Austin, as Musk confronts skepticism over safety, timelines,

AUSTIN, Texas, Sept 3 : Tesla said on Thursday it was offering rides in "limited areas of Austin, Texas" in its two-seater Cybercab, a vehicle without a steering wheel or pedals,…