text: There would be less pollution because if car usage was limited then there would be less pollutants from the gas in cars going up into the air.  Source 2 provides evidence of this, from "...days of near-record pollution, Paris enforcesd a partial driving ban to clear the air of the global city."(Duffer 10) to "The smog cleared enough Monday for the ruling French party to rescind the ban for odd-numbered plates on Tuesday."