California wasn't forcing anyone else to follow their rules. And this is a perfect example of federalism. California wants cleaner air than Florida, so it sets

California wasn't forcing anyone else to follow their rules. And this is a perfect example of federalism. California wants cleaner air than Florida, so it sets stricter standards. Which is fine, Florida doesn't have to follow. If the cost difference is enough to matter, Ford can create two catalytic converters, the California 'hypochondriac' model and the Florida 'lunger' model, and all will be as it should be.