There are laws in effect already: https://www.gov.ca.gov/2020/09/23/governor-newsom-announces-...
article says plugin hybrid, not just hybrid, which is kinda loophole.
> new cars sold in 2035 and beyond are zero-emission vehicles which includes battery electric vehicles, plug-in hybrid electric vehicles and fuel cell electric vehicles.
it just says: zero emission, and hybrids are obviously not
https://ww2.arb.ca.gov/resources/documents/cars-and-light-tr...