Every color means something (or several things ... You might wonder then about the white smoke you see on dewy mornings when you start your car. Does that indicate there's something wrong?

Thick white smoke: Call a tow truck Unlike the wispy white vapor described above, billowing white smoke is almost always an indication of serious engine trouble, and warrants immediate attention.

The colors of smoke indicate whether your beef ribs will over-smoke, with white as a sign of dead, dirty smoke. It's an ash-filled cloud that imparts a sour taste to meat, and if you see it ...