Name a type of terrain, and someone, somewhere, will figure out a way to race on it. From wood-track ovals and countryside rallies to the pure chaos of the Gumball 3000, humans love to pit themselves ...

As PopMech’s autos editor, I obviously consider myself a car guy. But when it comes to two wheels, the capabilities of modern motorcycles astonish me. We now have road-legal bikes that produce over ...

This paper describes the fundamental principles of operation of a mixture injection system now called the Compression Wave Injection system (CWI). The system has been initially designed for use in ...

A fuel direct-injection system was applied to a 2-stroke engine for the purpose of reducing exhaust gas emissions, especially exhaust hydrocarbons. It was observed that fuel injection only, as an ...

The two-stroke gasoline engine was once a marvel of engineering, offering up huge doses of power in small and lightweight packages. Unfortunately, gas two-strokes also burn oil by design, making them ...

WinGD, a Swiss marine power firm, has unveiled plans to introduce its first ethanol-fuelled two-stroke marine engine in 2026, with initial deliveries targeted for 2027. The engine will be supplied for ...