A driver of a truck was caught on camera "rolling coal" into a Texas restaurant. Rolling coal is a term used when diesel-truck drivers modify the emissions controls on their vehicles to intentionally ...

A blast of thick, black smoke dropped onto a group of cyclists riding swiftly along a Waller County road on a sunny late September day left a heap of damaged bikes and broken bones. A 16-year-old ...

It's standard for older diesel engines to emit black smoke under full load, which occurs during "turbo lag." As the diesel engine waits for the turbo to spool, the machine will blow thicker black ...

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 ...

The cause of "white exhaust smoke syndrome" could be as innocuous as water in the exhaust pipes condensing and boiling off or as serious as a cracked head or block. You can narrow down the cause by ...