Today, we explore the Birotary Engine, a unique creation that merges the features of piston and rotary engines. This video ...

The piston engine may be the most common type of internal combustion engine found in consumer automotive vehicles. That doesn't mean it's the only option drivers have ever had access to. In the 1960s, ...

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

Ford's newest recall covers just 10,001 vehicles, a rounding error next to the 148,663 Mustangs the company flagged for a wiring defect the very same week. But look at the model names on this one: ...

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.

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 ...

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 ...

A closer look at the story of the Douglas DC-7, America's last piston-engine airliner, and its legacy before jets took over the skies, ...

Piston skirt failures are a recurring issue in various aircraft engines, often resulting in severe internal damage and metal contamination of the oil system. Piston ring problems, including seizing, ...

The FAA issued an emergency order requiring operators of 957 O-235, O-540, and IO-540 engines to replace microcracked piston pins -- with grounding required before next flight for engines showing ...