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 ...

There are plenty of different schools of thought on the matter, but the truth depends on what type of car you have.

Add Yahoo as a preferred source to see more of our stories on Google. That old habit of letting your car idle for five or ten minutes in the driveway on a cold morning feels caring, but modern engines ...

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.

ROCKFORD, Ill. (WTVO) — As temperatures plunge across the Midwest, many drivers still cling to the old habit of letting their cars idle for several minutes before hitting the road. The reasoning seems ...