We’ve covered the engine sound simulator here before, but there’s been one element that’s been missing from the bizarre mix for too long. Yes, the world loves to know what an 11-cylinder engine could ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

Mazda’s 13B rotary engine did more than power a string of sports cars. It forced an entire engineering department to think differently about combustion, packaging, and character, and it left a mark on ...

A Wankel engine is a type of rotary engine, but not all rotary engines are Wankel engines. Wrapping your mind around this idea will help you to better understand the similarities as well as the ...

The rotary engine is unique in its success and failure and its ability to make an impact with a completely different way of thinking. As it is, every production car for the last 130 years, aside from ...

The rotary engine, once heralded as a revolutionary alternative to traditional piston engines, has experienced a tumultuous journey through the annals of automotive history. Despite its decline in ...

Good news, everyone! Mazda is not only reassembling a dedicated team of engineers for rotary engine development, as we’ve reported earlier, but today it also announced its intention to expedite ...

If you’re running an army, chances are good that you need a lot of portable power for everything from communications to weapons control systems. When it comes to your generators, every ounce counts.

Mazda’s rotary engine has been officially reborn, but not quite in the way you might think. Yes, we saw a drop-dead gorgeous Iconic SP rotary-hybrid coupe concept unveiled at last October’s Japan ...

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...