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, ...

The developer of a line of advanced rotary diesel and multi-fuel internal combustion engines is expanding into the renewable energy game. LiquidPiston's X-Engine, which we've covered previously and is ...

Rotary engines such as the Wankel have strange shapes that can be difficult to machine (as evidenced by the specialized production machines and patents in the 70s), which means it lends itself well to ...