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According to https://en.wikipedia.org/wiki/United_States_emission_standards https://en.wikipedia.org/wiki/United_States_emission_standar..., https://en.wikipedi
by abstrakraft 8y ago
According to https://en.wikipedia.org/wiki/United_States_emission_standards https://en.wikipedia.org/wiki/United_States_emission_standar..., https://en.wikipedia.org/wiki/List_of_U.S._states_and_territories_by_population https://en.wikipedia.org/wiki/List_of_U.S._states_and_territ..., and some arithmetic, about 36% of the US population lives in CARB states.