Cold winter mornings often prompt drivers to start their cars and let them idle before driving. This practice stems from ...

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

Find out which states have laws against idling—and why you shouldn't be "warming up" your car in the first place ...

Once upon a time, it was considered good practice to warm up your engine by letting it idle for a little while before setting off. These days, however, people tend to just jump in the car and go. Is ...

While it’s normal for a car to be idling high when it’s first started, if the idle doesn’t drop to normal after a minute or two, something’s probably wrong. That initial temporary high idle, which is ...