Detroit Diesel was once one of the most prolific engine builders out there. But its success didn't last forever, leaving it ...

Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...

Ford and other carmakers must shift gears in their business plans away from EVs, a costly endeavor. Here is what it could ...

Sadly, Leyland Tractors was one of the marques that passed into history in the latter part of the last century, as consumer ...

The MV Agusta 350/4 occupies a unique and historically significant place in Grand Prix racing, as it was the machine that ...

You should not use automotive oil in a motorcycle engine. Here’s what can go wrong, from reduced lubrication to accelerated ...

The five-cylinder motorcycle is rarer than getting a great deal on a vacation during the holiday season. Here are some that ...

The difference between Ford's 6.8 and 7.3 Godzilla V8 engines comes from a shorter stroke in the former and a lower ...

MotoGP’s switch to big four-strokes, the championship’s biggest technical revolution of all time. Honda’s RC211V was the best ...

GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...

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, ...

The replacement for that engine, though, is anything but ordinary. Stellantis’s new Hurricane 4 uses a few high-tech tricks—unusual in an engine that will be produced by the hundreds of thousands—to ...