Our most likely exposure to a steam engine these days will probably come courtesy of a railway locomotive. A machine capable of immense power and probably with significant complexity and engineering ...

[Tom Stanton] has been experimenting with compressed air motors on model aircraft for a good few years, but keeping them aloft (and intact) for more than a few seconds has proven a tough nut to crack.

Along with videophones, personal jet packs, and humanoid robots in French maid outfits, the futuristic daydream of a car that runs on air is something that Americans have pretty much abandoned. Well, ...

Forget electricity, cars of the future could run on air. India-based Tata Motors claims that it has successfully demonstrated a compressed air engine and is now looking to develop a market-ready ...