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 ...

Many of you have seen the process of making this rotary valve engine with a different intake and exhaust system and how I ...

Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start ...

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 ...