Lots of people have the idea that idling a vehicle for a few minutes here and a few minutes there actually helps the environment by using less gas than starting and then restarting the engine. That may have been true at one time, but not any more.
It's time to shut down our engines when we are not driving (drive-throughs, grocery stores, convenience stores, banks, etc.). That is actually the environmentally friendly thing to do.
Check out the information in the graphic below.
ORIGINAL: By Sustainable America. Check out the I Turn It Off campaign, where you'll get a free bumper sticker for pledging not to idle!