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" ...

A 200,000-mile engine meets its end due to either a rare defect or some major user error.

Inline-fours offer smoother operation and reliability; three-cylinders are lighter and more efficient.

There are a lot of strange automotive designs out there, but this defunct engine from the '70s may just be the weirdest one ...

It is honestly one of the very best custom reinterpretations of the RD platform from Yamaha, courtesy of the experts at Moto ...

It has four times as much power as your regular Super Cub thanks to that two-stroke mill, and the other mods performed here ...

A recent teardown video from automotive YouTube channel I Do Cars sheds light on just how catastrophic modern diesel engine ...

Now, a stroke is a quiet thief, capable of stealing a person’s speech, movement, or very essence in the span of a few ...

The 45-degree V-twin configuration of a Harley-Davidson engine and when each piston fires are part of why the iconic American motorcycles sound the way they do.

The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons rising and falling, a crankshaft spinning, a steam-age architecture ...

Brazilian commodities giant Vale and engine manufacturer Everllence have announced a new co-operation on ethanol as a marine ...

Long after luxury brands quit the format, GMC quietly built a massive V-12 for trucks and heavy-duty work. Here’s how it happened.