Gearheads might be aware of piston skirts, but their exact function isn't always clear to those outside engineering. Here's ...

In a world dominated by sleek jets and ultra-efficient turboprops, the roar of piston-engine propellers sounds like a blast from the past. However, some of these thunderous machines still roam the ...

Opposed-piston engine technology has been touted as a possible alternative to conventional engine designs for years. Now, opposed-piston engine developer Achates Power reports that its 10.6L ...

Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

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 ...