If you read Part 1 of the Rotary Engine Evolution series, you already have a good sense of where the Wankel rotary engine design came from and evolved into. It's all well and good to understand ...

Development of the next-generation rotary engine from Mazda Motor Corp., first unveiled three years ago, is making slow progress despite missing emissions targets. A top Mazda powertrain executive ...

The rotary engine itself has remained mostly unchanged over the last 40 years, so a book published on the rotary engine even 20 years ago wouldn’t be too far off the mark. While you’ll have to ...

A report from TopSpeed has us musing about the future of the motorcycle community when it comes to rotary-powered engines – or if there’s even a potential for a resurgence in the cards at all. There ...

Mazda continues work on the rotary engine and is developing a new two-rotor design.

Mazda is known for its innovations in mass-produced rotary engines in sports cars like the RX-7, but it wasn't exactly the first to utilize Wankel's design.

To set itself apart in the 1960s, the automaker turned to German technology, and the rotary engine helped kickstart the Mazda brand around the world.

The problem of apex seals was a major issue for any rotary-engined car, yet LiquidPiston say they have worked around the problem, by moving the seal from the actual rotor part, into the crancase ...

And boy is it: it seems, back in the 1960s, Rambler and Renault were developing—with an unclear level of seriousness—a deeply strange rotary engine that’s not a Wankel-style rotary.

Rotary Engine Evolution: What to Look for and How to Tune Part 2: Must-read advice from expert Jim Mederer for anyone interested in a rotary engine.