As Tesla prepares to roll out an upgrade to Full Self-Driving, NTSB head says it shouldn't roll out the city-driving tool before addressing safety deficiencies (Rebecca Elliott/Wall Street Journal)

Rebecca Elliott / Wall Street Journal:
As Tesla prepares to roll out an upgrade to Full Self-Driving, NTSB head says it shouldn't roll out the city-driving tool before addressing safety deficiencies  —  Tesla plans to expand access to Full Self-Driving system and defends its tech; safety official says more work is needed