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

When your steam engine build requires multiple microscopes, including those of the scanning electron variety, you know you’re building something really, really tiny. All of the usual tiny superlatives ...

Running boost through a carburetor is nothing new, but what is groundbreaking is blowing boosted, sub-freezing air through a carburetor. In case you missed the previous tech pieces in HOT ROD magazine ...

Running boost through a carburetor is nothing new, but what is groundbreaking is blowing boosted, sub-freezing air through a carburetor. In case you missed the previous tech pieces in HOT ROD magazine ...

First came the air-powered engine when Tata Motors put forward the idea of a car powered by compressed air over gasoline. In partnership with France’s MDI group, a cleaner and more sustainable ...

A 20-year-old mastermind from Romania has built the world's first full-size Lego car, with a compressed air-powered Lego engine. It has space for two passengers and can hit a top speed of around 30 ...