Many drivers wonder if they should turn off their engines while waiting at red lights to save fuel. Research shows that ...

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 ...

How often do you start your car well before you leave in the morning so that it’s toasty when you’re ready to go? Or leave the engine running while you’re waiting to pick up your child? These might ...

Transportation Safety Technologies has announced Idle Guard 200, a solid state, reliable timer that automatically prevents unnecessary engine idling in fleet and delivery vehicles. The Idle Guard 200 ...

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

Dear Car Talk: I write today to ask that you clarify the role of idling when it comes to gasoline cars, diesel pickups and large, over-the-road commercial vehicles. All the time, I see people sitting ...

We’ve all heard the idea: In winter, your car needs a little time to warm up before you can drive it. And that’s why across the United States, people who live in cold and snowy places and especially ...

There’s a common misconception among car owners about how to warm up the car’s engine in the winter correctly. Most think that letting the car idle for an extended period is the way to go, but the ...

Question: I have a 1999 Chevrolet Silverado S10 and, lately, the engine has been surging while at an idle. I was told this could be a “dirty ETV valve.” Does that sound right? What else might be the ...