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 ...

What if the engine of the future wasn’t just a dream, but a reality? Imagine a power source that combines the raw, exhilarating performance of a two-stroke engine with innovative efficiency, ...

Hirth and ePropelled develop hybrid propulsion systems for UAVs and drone technology with extended flight duration.

Two-stroke engines were phased out by tough pollution laws and fuel economy targets, but they could be making a comeback with KTM, Honda and boutique builders. KTM and Honda have both registered ...

Is this high-revving, two-stroke, flex-fuel, 106-pound, 173-horsepower, parallel-twin engine really all it’s cut out to be? Detroit’s had its fair share of comebacks, but this one might just be the ...

Last month, KTM announced it will introduce some groundbreaking new fuel-injected 2-stroke engines in their enduro range. Well, naturally, Husqvarna will benefit from the same technology. Husqvarna ...

Dim’s fascination with cars began when he was just six. Born into a family of car enthusiasts and racing drivers, he started learning basic mechanics and driving from an early age. While he loves ...

SAE Transactions, Vol. 101, Section 3: JOURNAL OF ENGINES (1992), pp. 1560-1570 (11 pages) The recent interest in two-stroke engines for automotive use has produced powerplants of such divergence that ...