TURN OFF THE ENGINE, OR IDLE?
Given the choice of idling for a few minutes or turning your car off, you should always choose the latter.
Tests comparing emissions over minute-long increments for restarted versus idled cars confirm: Idling produces more emissions. Over nine minutes, an idling car will emit double the pollutants of a car that is turned off and then restarted.
Wednesday, February 25, 2009
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