Have you ever been sitting at a light or accelerate to pull out of a parking lot and notice a cloud of exhaust behind your ride? It can be a little unnerving, because car exhaust smoke can actually ...

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 ...

Harry has been writing and talking about motorcycles for 15 years, although he's been riding them for 45 years! After a long career in music, he turned his hand to writing and television work, ...

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 ...