Piston rings are an essential part of modern vehicles, but modern brands have moved to using low-tension versions of them for ...

The FAA has expanded the approved list of piston aircraft engines that can burn Swift Fuels 100R unleaded aviation gasoline, moving the fuel closer to wider distribution across th ...

The 10 Greatest Piston-Engine Fighter Aircraft ...

The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way. Honda pioneered oval piston technology in the 1970s for four-stroke racing ...

Sometimes, the terms boxer engine and flat engine are used interchangeably, even though the two are not the same. What's the difference? Which one is better?

Ford once sketched a road where an engine's pistons never saw oil and engines ran hotter on purpose. In a late‑1980s patent application filed and granted in Europe, the company described an "uncooled ...

Golf balls have dimples, so they fly farther than balls that don't. Apply the same principle to diesel engines, and you have a gross oversimplification of why dimpled pistons were invented. It's a ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...