Long before Felix Wankel became synonymous with rotary engines, an inventive Hungarian-American engineer named Stephen M. Balzer secured one of the earliest patents for a rotary-powered automobile on ...

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 ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...

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, ...

Automotive engineers have invested countless billions trying to improve upon the humble internal combustion engine, but not all those efforts have translated well. In fact, sometimes, things got weird ...

Ever since the RX-8 was (rather unceremoniously) put out to pasture, Mazda has been telling anyone who will listen that the rotary engine is still alive and well deep within the bowels of R&D. It has ...

The new Vision X-Coupe Concept features a new range-extended Wankel rotary-powered drivetrain capable of capturing CO2 so that it can leave the air cleaner, “the more you drive.” Mazda revealed the ...

Back in 2023, Mazda first teased that the rotary engine could be destined for another lease on life with the RX-7-like Iconic SP Concept. Two years later, Mazda is back with another sporty concept ...

Mazda CEO Masahiro Moro has introduced the new Vision-X Coupe at the Japan Mobility Show in Tokyo. It’s a stylish four-door coupe created for 2035. The company kept details about the styling brief, ...