Tesla is already trying to expand its Robotaxi service to Arizona

1. Tesla applied to operate autonomous vehicles in Arizona for robotaxi service. 2. Service expansion follows a limited launch in South Austin last month. 3. CEO Elon Musk hints at upcoming robotaxi applications in California. 4. Arizona's self-certification process is simpler than California's regulatory hurdles. 5. Waymo currently operates a successful driverless service in Metro Phoenix.