Tesla has obtained a permit to operate a ride-hailing service in Arizona, the state's department of transportation said. The electric vehicle company applied for a "transportation network company" permit on Nov. 13, and was approved on Monday, ADOT said in an emailed statement. Additional permits will be required before Tesla can operate a robotaxi service in Arizona.In July, Tesla applied to conduct autonomous vehicle testing and operations in Phoenix, with and without human safety drivers on board. A mont ...