Tesla has scaled its California "Robotaxi" program at a lightning-fast pace. To date, the automaker has registered 1,655 vehicles for its ride-hailing service in the state, a spokesperson from the California Public Utilities Commission told Business Insider. The company has registered 798 drivers, the spokesperson said.That's up from 28 cars and 128 drivers in August, when the service launched, according to the CPUC. The vehicle number reflects car that have been approved for use, not the actual operation ...