You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

Putting a Mazda rotary engine into a badge-engineered Holden sedan seemed like a good idea at the time. But, the 13B engine's ...

There are many different forms of internal combustion engines, but most use the same basic principle. Explosions in the combustion chamber move pistons up and down to spin a crankshaft. That ...

How does one improve upon something seemingly perfect? By stepping up the game and proving there is more to be had. You've probably seen this rare '94 Mazda RX-7, as it has appeared at the 2016 and ...

Every few weeks I receive word at the office that some tinkering genius has revolutionized the internal-combustion engine. These notices arrive on pages still smelling of Damascus lightning, and ...