what happens inside a conventional internal-combustion piston engine by putting a clear cylinder head on top of a flathead engine. This new video shows off the rotary engine by adding a clear side ...

Piston engines can have issues with backfiring when fueled on H2 but Mazda has been running a fleet of over 30 hydrogen-fueled rotary RX-8s for several years with some success. Last week at the ...

When most people hear the term "rotary engine," they probably think of Mazda first, as rotary engines have been part and ...

Rotary engines, also called Wankel engines, are engineering's overachievers. They're small, sleek, efficient and surprisingly powerful. Unlike bulkier piston engines, they're lightweight and built for ...

5 Rotary engine Rotary engines are the rare engines that do not use traditional pistons. Instead, they use a triangular rotor ...