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 ...

Leaving your car running unattended to warm it up, known as 'puffing,' is illegal in many states. Learn about anti-idling laws and avoid a fine.

It's easy to assume overheating is a result of long road trips or summer heatwaves, but when your engine gets too hot while idling, it's usually a sign of something deeper that needs immediate ...

In some areas, it is illegal to leave your car running with the key in it unattended. Are you breaking the law?

It depends on your car's age, you comfort meter and your desire to conserve fuel. Here's when it's beneficial, and when it should be avoided.