Belching out black smoke, steam locomotives (SLs) boasted an unyielding presence on Japan’s rails decades ago.

Using compressed air as a power adder (supercharger) is in vogue again! Younger readers may be wondering what we mean by this and argue that forcing super-cold, highly pressurized air into an engine’s ...

Compressed air isn’t really a practical form of energy storage for headline uses like transport or heating, but it’s a fun thing to tinker with at the small scale. [Tom Stanton] is plenty experienced ...

When you’ve gone to the trouble of building your own backyard railway, chances are pretty good that at some point, you’re going to want to add a locomotive of some sort. After all, nobody wants to be ...

Trends—they’re important elements of the huge and sometimes complex puzzle that is the hot rod hobby. For HOT ROD editors, staying abreast of the latest performance-based automotive trends is ...

An Australian man has invented a vehicle powered by compressed air, although it’s not the world’s first, despite his claims (I’ve seen other prototypes before). However, the best part of Angelo Di ...

An engine's displacement dictates power output based on the bore and stroke, while compression ratio influences how strong ...