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

There are differing opinions on how long an engine should idle and warm up before the car is driven, and this difference of opinion stems from changes in technology. Some say you should let it idle at ...

You probably think you’re being kind to your engine on icy mornings, either by hopping in and driving gently right away or by letting it sit and idle while you scrape the windshield. Mechanics say one ...