I don't think there is really anywhere in Florida where there are issues with air polution like there is in California. There aren't any deep valleys where inversion layers can trap smog underneath. The state is just too flat for that to really ever be a problem. Not unless the Gulf of Mexico becomes polluted enough to affect the atmosphere, in which case we're all going to be in such deep doo-doo that worrying about our exhaust systems will be the last thing on our minds...
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