[Lindsay Wilson] has a lawnmower engine which a few years ago he converted with the addition of a sleeve valve to run on compressed air. It’s not a steam engine because creating a safe and legal ...

Compressed-air engines are not new technology -- the French were powering trams with compressed air back in the 19th century. But the air car is highly unlikely to surpass the gasoline car and ...

[Tom Stanton] is plenty experienced in that area, having built a series of compressed air engines over the years. His latest effort is capable of running at up to 4,500 RPM, and delivering a full ...