Mazda made a splash in the market in 1990, launching the Eunos Cosmo with the three-rotor 20B engine. Compared with contemporary Wankel rotary engines, the 20B's extra rotor beefed the compact ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

When people defend that internal combustion engines (ICEs) still have a role to play in personal transportation, they are correct. Having an electric motor driving the wheels does not necessarily ...

Rotary engines are a beautiful feat of engineering innovation in the world of internal combustion engines. They're compact, powerful, smooth, and high revving. The king of rotaries must then be the ...

While modern engines feature many tweaks and improvements on the original ideas, they usually aren't as interesting as the strange contraptions engineers experimented with in the early days. Take, for ...

Looking at all the incredible machines roaming our roads these days you’d be inclined to believe it can’t get better than this when it comes to the combustion engines they use. But if you ask a crew ...

We live in an age of downsizing in the automotive world. Super and hypercar manufacturers like McLaren and Ferrari are ditching big-capacity, high-cylinder count engines in favor of boosted V6 and V8 ...

Add Yahoo as a preferred source to see more of our stories on Google. While modern engines feature many tweaks and improvements on the original ideas, they usually aren't as interesting as the strange ...