Despite what old cartoons would have you believe, it's neither normal nor good for your vehicle to smoke heavily while it's running. Maybe in the old days, but modern cars with modern fuel ...

If your engine is burning enough oil to produce visible exhaust smoke, the oil level will drop over time and require periodic top-offs. Worse, burning oil can foul the engine's spark plugs ...

For white smoke, a compound of the chemicals potassium chlorate, lactose, and rosin (also known as Greek pitch) is used, ...

A luxury cruise ship is docked in Portland, Maine, for repairs and it's causing some residents to see some odd colored smoke ...

There's a lot going on inside your vehicle at any given time, whether you're idling at a red light or driving at freeway speeds. Much of this activity involves chemical reactions that — while ...

Burning oil, on the other hand, will often show up as blue-tinted exhaust smoke. Excessive oil consumption is usually triggered by worn engine parts, such as piston rings, valve guides or seals.

A diesel particulate filter is an important, and required, part for any diesel vehicles. Here's what it does and how you can ...