Germany-based Everllence has upgraded a research-engine test bench at its Augsburg site to enable ...

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 ...

Propulsion technology has steadily evolved over the past century, starting from piston engines all the way to the present era of turbofan jet engines. But innovation is always taking place behind the ...