Automotive giant General Motors has filed patents for a two-stroke engine of the type whose excess emissions took it off the road decades ago as a technology seen as having no future.The patent is for ...

Have you ever woken up in the middle of the night worried that you have never, ever changed the oil on your two-stroke lawnmower? Well, you can relax. A two-stroke oil change is like a left-handed ...

No two engines are ever built the same. This is true even if they are produced by the same manufacturer, and it is even more evident when they are made by competitors. In the market of diesel-powered ...