Zoox petitioned NHTSA and was approved in July. Tesla self-certified up to 1,000 Cybercabs and is now under investigation.

SAN FRANCISCO, Sept 3 : U.S. auto safety agency NHTSA is evaluating Tesla's rollout of Cybercab robotaxis, a spokesperson said on Thursday, as the electric vehicle maker started…

CEO Elon Musk has said the Cybercab is key to transforming Tesla into a dominant force in driverless vehicles. The National Highway Traffic Safety Administration, meanwhile, sets…