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

Depending on how you measure it, the displacement of a Mazda 13B is either 1.3 liters (1,309 cc), 2.6 liters (2,618 cc), or 3 ...

Mazda has never been scared to try something different, and its 1990s luxury coupe embodies this approach as well as any ...

A Wankel engine is a type of rotary engine, but not all rotary engines are Wankel engines. Wrapping your mind around this idea will help you to better understand the similarities as well as the ...

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 ...

For a time, the Wankel rotary engine seemed like the future. In 1963, German automaker NSU—later absorbed into Audi—debuted the Wankel Spider, the first internal-combustion production car not powered ...

The rotary engine is unique in its success and failure and its ability to make an impact with a completely different way of thinking. As it is, every production car for the last 130 years, aside from ...

Like many teenagers in 1980s Australia, I was a willing participant in the Japanese rotary-engined street racer phase that swept the country at the time. Hell, there was even a magazine called Fast ...