Motormouth: How much gas is wasted by idling?
by Bob Weber, Chicago Tribune
Mar 16, 2018
2 minutes
Q: With the engine idling, how long does it take to consume a gallon of gasoline? I'm asking because I wonder if shutting off the engine at stoplights actually saves anything or if it is simply hype.
- G.E., Crystal Lake, Ill.
A: Based on work developed by Argonne National Laboratory, the idle fuel consumption rate with no load (no use of accessories such as air conditioners,
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