A Google self-driving car is seen inside a lobby at the Google headquarters in Mountain View, California November 13, 2015. REUTERS/Stephen Lam
The top US vehicle safety regulator said the government needs to be more nimble in designing rules for self-driving vehicles.
The industry "is on version 238.32 by the time we get regulations out," National Highway Traffic Safety Administration (NHTSA) administrator Mark Rosekind said during an appearance at an industry conference in suburban Detroit.
