Even the novice driver with no mechanical ability knows when there's trouble, and smoke is never a good sign. White smoke from the exhaust can spell big problems with your engine, and the smoke's ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

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 ...