Drivers tend to ignore the exhaust pipe until something dramatic happens. A sudden change in exhaust smoke forces attention fast. Color, thickness, and even smell can signal hidden engine problems ...

Join us as we tackle a challenging smoke problem with a custom-built 2-stroke engine. In this video, we carefully prepare the correct fuel mixture and try various adjustments to resolve the persistent ...

Safety experts recommended Wednesday that the engines on Boeing's troubled 737 Max airplanes be modified quickly to prevent smoke from filling the cockpit or cabin after a safety feature is activated ...