NASA's Artemis II mission will launch with SLS rocket engines that have flown multiple times on past space shuttle missions.

Ram’s twin-turbo Hurricane inline-six is replacing the long-running Hemi V8 in key truck and SUV models, and that shift has owners scrutinizing every early report of problems and praise. I set out to ...

Internal combustion engines have largely been eclipsed by advanced propulsion systems such as jet turbines, electric drives ...

There's no real reason to do this, but I'm so glad they did.

Driving your car for long hours or on long trips can have several effects on the engine, some of which can be positive while others may result in wear and tear if not properly managed. The impact on ...

The HEMI engine is named after the engine's hemispherical shaped piston heads. While Chrysler brands popularized and trademarked the name, HEMI-style engines were developed in the early 1900s. The ...

Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of timing. In a knocking engine, parts of the air-fuel mixture don't ...

The five-cylinder engine is uncommon relative to the ubiquitous four-cylinder, six-cylinder, or eight-cylinder variants. As an odd-number engine, it certainly is in a class of just three such engines.

The engine is the beating heart of a vehicle, and if it fails, most people will either invest in a new engine or simply buy a new car. However, if the vehicle is salvageable, and you don't want to ...

Generally, we associate inline-six engines with pretty excellent reliability; for example, the ultra-reliable 4.0-liter straight six in classic Jeep Cherokees routinely reach six-digit mileage counts ...