Internal combustion engines typically have low efficiency, with modern gasoline engines around 35% and diesel engines ...

Porsche was issued a patent for its six-stroke combustion engine on October 22, 2024. The company describes the new engine as having a "working cycle" of three complete crankshaft revolutions with two ...

Almost all gasoline engines, whether they're efficient-yet-less-refined four-cylinders, high-horsepower V6s, or growly and torque-rich V8s, use much the same process to create power. The "Otto cycle" ...

After more than two decades without a new large-displacement two-stroke, Kawasaki is bringing the category back in a big way.

The KX™327X features lightweight aluminum rims with a 21-inch front wheel and 18-inch rear wheel, while the KX™327 is ...

All the more so thanks to Kawasaki’s new bikes. For the first time in more than 20 years, Team Green has taken its two-stroke ...

Any oddball engine is clickbait crack for mechanical nerds, and the most compelling ones purport to introduce an entirely new combustion concept. "Not a four-stroke, not a two-stroke, a revolutionary ...

Kawasaki has unveiled the 2027 KX327 and KX327X dirt bikes with a new 327cc single-cylinder, fuel-injected, liquid-cooled ...

Kawasaki just did the unpredictable. Just when most of us thought the era of two strokes was over, the Japanese bikemaker has ...

It's been a long time since the automotive world has bothered with the mixing of oil and gas of the two-stroke combustion cycle — but soon, it may come time to rid ourselves of four-stroke engines, if ...

Ford began installing 7.3-liter diesel engines, developed in conjunction with Navistar International, in its trucks in 1988. That first version featured indirect fuel injection, or IDI, and laid the ...

Kawasaki hasn't made a two-stroke bike larger than 250cc since 2004, but that changes now.