Originally Posted by madkayaker
Last I checked, it still burns gas when it is sitting still and running. Maybe they let it warm up for 30 minutes before they drag raced a srt-4 in a school zone.
Idling for 30 mins does not burn enough fuel for it to show a "noticeable decrease" IMO. Assuming you're willing to take my experience being stuck in traffic as evidence/proof LOL.