It has virtually nothing to do with emissions (as if it did, they would just hook up a sniffer to test and be fine)- instead there are blanket bans on any modification not from Edelbrock or a s couple others unless those companies pay exorbitant fees to be “CARB-approved” which has snuffed out innovation from smaller machine shops. And the loopholes are what has driven cars to be bigger and not more fuel efficient
She’s not wrong. The only people I know who support / like Kamala work in the administration