Each color of smoke from a car's exhaust pipe carries a different message, including dangerous warning signs that drivers ...

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 ...

A well-running and adequately maintained diesel engine should produce no visible smoke from the tailpipe. Modern diesel engines equipped with common-rail direct-injection technology have unlocked more ...

A 16-year-old is being investigated after striking six cyclists in his pickup near Waller, Texas. Fox 26 reported four out of the six cyclists were taken to the hospital Saturday morning, including ...