Over a decade ago, Ken Block broke the Internet when he released his famous Gymkhana videos. It takes more than that these days for jaws to drop, and a reduced attention span isn't helpful, either. It ...

Wankel engines first saw use in production cars as early as 1964 -- and not even in a Mazda, but rather in an NSU. That ...

Record-breaking goal: Rob Dahm's 12-rotor engine aims to produce 5,000 HP, a figure rarely seen outside of drag racing or marine engines. Unique rotary design: The engine combines three four-rotor ...

Maybe you’ve heard about Rob Dahm’s insane 12-rotor engine that runs three turbos? Well, this is kind of like the opposite. It’s his single-rotor Miata, which he’s been building and featuring on his ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...