Air enters a small reverse-flow core at the rear of the engine, powering the fan and then exiting via an evaporator, condenser and water separator. Credit: Pratt & Whitney Hydrogen fuel may offer ...

In the late '90s, Mazda experimented with Miller cycle engines. Here's what separates these machines from normal engines and ...

Engine manufacturer Cyclone announce late on Friday it has managed to successfully run for the first time its Mark V engine on steam. The Mark V Engine can generate in excess of 100 hp and 860 ft.lbs ...

Steam engines, believe it or not, have been around for over 300 years. In England in 1698, Thomas Savery patented the first working steam engine—this was a simple machine that utilized the vacuum ...

We had no idea that what’s needed to convert an internal combustion engine to steam power is actually rather trivial. [David Nash] shows us how it’s done by performing the alterations on the engine of ...

Greek engineer Hero of Alexandria designs the first steam engine; it has a pedestal, an altar, and a rotating ball—but no practical use. French inventor Denis Papin builds a cooker that traps steam ...