You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

Find out how emissions regulations killed Mazda's three-rotor 20B Wankel rotary engine, just as it was getting started in the ...

For more than a decade the name Wankel has popped up whenever car enthusiasts start talking about advanced-design automotive powerplants. The theory of the Wankel engine goes back to 1954 when Dr.

The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

His automotive adventure started reporting on various motorsport events as a sports writer before moving onto a full-time auto career with various sites, including This Week In Motors and ...

It might seem like a novelty from a modern perspective, a technological dead-end kept alive only in the memories of diehard Mazda fans and persistent rumors of its resurrection, but the iconoclastic ...

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 ...

Longtime friend of Jalopnik and myself, Tom Jennings, is a huge Rambler fan and walking, moist column of Rambler-knowledge, so when he encounters something Rambler-related he wasn't aware of, you know ...

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 ...