Sen. Wiener introduces CA bill to physically stop cars from going 10 mph over speed limit
Senator Scott Wiener is introducing a new set of bills to make streets safer across California, including one that would change how you drive. It would require any new car or truck made or sold in the state in 2027 or later to have special technology installed in the car called "speed governors."
abc7news.com
Tl;Dr - Wiener wants to keep cars made after 2027 from going 10mph over the posted speed limit.
Nanny state gonna nanny state.
It's just a matter of time. As soon as driverless tech gets better, they won't let humans drive at all.