Mazda’s new rotary engine made its appearance in the range-extender Mazda MX-30 PHEV in 2023 and is due in the US shortly. It’s the first new rotary engine produced by the company since the ...

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 ...

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 ...

When people talk about Mazda's 13B twin-rotor Wankel engine, they tend to imagine lowered, twin-turbocharged FD RX-7s with giant wings and huge front splitters. But that 13B engine doesn't get nearly ...

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 ...

For something so simple in its make-up the Mazda rotary engine is remarkably versatile. Whether you’re talking 13B or 20B, naturally aspirated or force fed, it’s hard to beat the power per cube ratio ...