The practice of "puffing" a vehicle in cold weather might seem harmless, but there could be consequences.

Don’t even think about puffing your vehicle, depending on where you live. Puffing cars is illegal in about 31 states and could result in a fine from police officers. Even in areas that experience ...

"Puffing," leaving your car running and unattended to warm up, is illegal under Texas law and can lead to fines of up to $500.

Puffing sounds harmless, but leaving your car running unattended can carry legal and safety risks that vary widely across the United States.

Your car may be warm, but that ticket will be ice cold.

With a snowstorm and sub-zero temperatures on the way, drivers may be tempted to warm up their vehicles, but Ohio law ...

Cold weather has Texans pre-starting cars, but state law allows fines for "puffing." Here's what drivers should know to avoid ...

Don't idle for too long.