It wasn’t cheaper to switch it was just forced on everyone.
It’s like aqueous based cleaners/paints. They don’t work nearly as well as the old stuff, but in CA we don’t have any choice. Shit, for some inexplicable reason, CA outlawed mineral spirits. I still don’t understand why. It’s probably one of the dumbest things they could have banned.
The current issue is that the US government has no interest in stopping climate change. They have plenty of financial interest in letting huge businesses do fuck all they want, and in the process fuck over everyone and the environment/planet. Plus they are all so close to one foot in the grave who gives a shit if the world is on fire, they are going to be dead soon anyhow, and fuck everyone else. They got PAID