I was driving back from work in the evening and in my rear view mirror noticed excessive smoke coming out of my car's exhaust. I didn't notice the engine behaving differently, but I was fortunately ...

White, wispy exhaust smoke when you start your car on a cold day is usually perfectly normal as long as it goes away after a few minutes. But what causes that exhaust smoke when the temperatures are ...

Chicago has had some of the poorest air quality in the world since Tuesday because of smoke caused by wildfires in Canada. Though the smoke is primarily a health hazard for people, it can also have a ...