Tesla tells regulator that full self-driving cars may not be achieved by year-end FILE PHOTO: A Tesla Model X electric car is seen at the Brussels Motor Show, Belgium, January 9, 2020. REUTERS/Francois Lenoir/File Photo May 7, 2021 By Hyunjoo Jin BERKELEY, CALIFORNIA (Reuters) – Tesla Inc told a California regulator that it may not achieve full self-driving technology by the end of this year, a memo by the California Department of Motor Vehicles (DMV) showed. Tesla CEO Elon Musk said during an earnings conference call in January that he was “highly confident the car will be able to drive itself with reliability in excess of human this year.”