The Cool Down on MSN
Why is 'idling' so bad for cars? What to know about the downsides of leaving engines on
A car engine can use as much as half a gallon of fuel after idling for an hour. Why is 'idling' so bad for cars? What to know ...
You might be relying heavily on your engine hours and overall mileage to determine when to perform maintenance, but you should pay attention to idle hours, too.
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