You hear endless myths about the Mazda RX-7, from breathless praise of its “magic” to horror stories about blown apex seals. Strip away the fanboy noise and you are left with a very specific kind of ...

Rob Dahm’s 13-Rotor Miata Drives on Just One. The Other 12 Are Along for the Ride Rob Dahm brought a Miata with 13 rotors to SEMA, but a 12-rotor engine sits on top just for show while a single turbo ...

The piston engine may be the most common type of internal combustion engine found in consumer automotive vehicles. That doesn't mean it's the only option drivers have ever had access to. In the 1960s, ...

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, ...

The traditional piston engine has garnered the vast majority of attention and application in the internal combustion age, but there was another: the Wankel rotary engine. German engineer Felix Wankel ...

Dan Clougher is an automotive journalist and former classic and sports car dealer with hands-on experience across luxury, performance, and collector vehicles. Before joining CarBuzz, he managed his ...

Mazda's famous rotary engine finally made its big return last year, but it wasn't under the hood of a replacement for the RX-8. In fact, it wasn't even in a performance car at all. Instead, it served ...

If there is one universal truth in the automotive community, it is that rotary engines are completely unhinged pieces of ...

Internal combustion engines have long been at the heart of automobiles, serving as their main driving force over the decades. Traditionally, combustion engines rely on a configuration of cylinders and ...

Mazda made a splash in the market in 1990, launching the Eunos Cosmo with the three-rotor 20B engine. Compared with contemporary Wankel rotary engines, the 20B's extra rotor beefed the compact ...