Depending on how you measure it, the displacement of a Mazda 13B is either 1.3 liters (1,309 cc), 2.6 liters (2,618 cc), or 3 ...

A detailed technical look at the unique Mazda MX-30 R-EV drivetrain. We explain how the small rotary engine acts purely as a range extender, powering the battery while the electric motor always drives ...

The revival, however, isn’t coming from Japan’s automotive veteran alone. In a move few anticipated, China’s Changan Group has developed its own rotary engine, signaling a potential shift in how the ...

While Chinese automakers continue to reshape the global EV, one company is looking far beyond batteries and motors by reviving a technology many assumed was left for dead: the Wankel rotary engine.

Not only are Chinese carmakers redefining the world of EVs, but one of them is now taking on the Wankel rotary engine. Originally designed by German engineer Felix Wankel and later refined into a ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...