The INNengine e-Rex is tiny and can change compression ratios in the blink of an eye. But that's just the start of what makes ...

Ford Motor Company is issuing a safety recall covering 10,001 vehicles from its 2026 model-year lineup due to improperly manufactured engine pistons.

This video provides an in-depth analysis of the liquid piston engine and compares it to traditional piston engines and Wankel ...

Over the roar from a 110-cc, two-cylinder engine, Pinnacle Engines founder James Cleeves (nicknamed Monty), pointed out a window in the block. “You can see the cylinder sleeve moving for the intake ...

It would have been revolutionary: an internal combustion engine without oil. And it might have worked. But lots of real-world issues got in the way.

Free-piston engines represent a class of internal combustion machines distinguished by the absence of a crankshaft mechanism, enabling variable stroke length and compression ratio, with the piston’s ...

This 180,000-mile Ford F-150 EcoBoost teardown exposes the brutal truth about modern twin-turbo engine reliability and the devastating cost of skipped oil changes.

The Federal Aviation Administration published an emergency airworthiness directive today requiring operators of 957 Lycoming piston engines to replace a specific internal component before further ...