When the pistons reach their respective bottoms, fresh air flows in from ports at the bottom, while exhaust is rejected through ports at the top. That fresh air is squeezed into a small pocket in the ...

The newly formed organization will host a series of meetings of its members to exchange research results, insights and ideas regarding opposed-piston engines with hydrogen combustion. Several ...

A partnership between Diamond Aircraft and the Austrian government is developing options to power general aviation aircraft with liquid hydrogen. A team from Austro Engine and Bosch General Aviation ...

An OP can be configured and packaged to fit the vehicle it’s intended for. For trucks, the cylinders are likely to be vertical or slanted. Photo: Achates Power Security’s tight at Achates Power Inc.

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 candle that burns twice as bright burns half as long; we all know that. However, some of the newest engine designs are proving to be more like firecrackers than candles, judging from the number of ...

Any oddball engine is clickbait crack for mechanical nerds, and the most compelling ones purport to introduce an entirely new combustion concept. "Not a four-stroke, not a two-stroke, a revolutionary ...

Napier’s two-stroke 18-cylinder diesel engine is one of the most diverse—and insane—combustion engines ever produced.