Changan’s R05E prototype achieves first ignition, signaling renewed interest in rotary engines but for a wilder application.

Engines are getting smaller and more powerful, but these high-strung engines may not be as reliable in the long run as older engines.

We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...

The two announcements highlight RTX's parallel work on both air-breathing and solid rocket propulsion technologies through its businesses. RTX made two propulsion announcements on Sept. 24, 2025, ...

Toyota’s next GR Corolla may drop its 3-cylinder for a 400-hp turbo four a move signaling a faster, stronger future for Toyota’s GR lineup. Toyota may replace the GR Corolla’s iconic 1.6L 3-cylinder ...

Once upon a time, it was considered good practice to warm up your engine by letting it idle for a little while before setting off. These days, however, people tend to just jump in the car and go. Is ...

One of the very first elements any automotive designer must consider is where to locate the engine. Whether it's a typical ...

Traditionally, in engine building, high displacement and high horsepower figures go hand in hand. You've probably heard the phrase, "there's no replacement for displacement." While that might have ...