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 ...

An Australian-designed clean two-stroke motorcycle engine could soon become a reality after attracting the interest of a Melbourne-based investor group. Sydney-Based inventor Basil van Rooyen says his ...

Two-stroke motorcycles are typically off-road motorcycles these days, and we don’t see many of them. Four-stroke machines have taken over, but not everyone has left two-strokes behind. I keep one in ...