That is, of course, except for the rotary engine. Developed by a Nazi ... as a piston is driven up and down a cylinder which ...

We all know about opinions – everyone’s got one etcetera – but there’s perhaps nothing quite as divisive in the automotive world as the rotary engine. Aficionados will wax lyrical about ...

Description: Built with full-pressure lubrication, full-flow oil filters and cast-iron crankcases; KOHLER liquid-cooled diesels deliver the muscle and durability to overcome the most punishing places ...

Through the history of internal combustion engines, there has been plenty of evolution, but few revolutions. Talk of radically different designs always leads to a single name – Wankel.

The company that famously declared it would be the last automaker in the world to field an EV-only fleet has just ...

This development group has the hard task of trying to make the rotary stack up to modern internal combustion engines in terms of emissions and fuel-economy standards. Neither factor were ever ...

That is bad news for fans of internal combustion engines. The chances are slim that a car model that runs solely on a rotary engine will ever roll off the assembly line again. One senior Mazda ...

Mazda however, is uniquely positioned to take advantage of hydrogen as a combustion fuel. They are, after all, the only manufacturer currently building Wankel rotary engines. The nature of the ...

Primarily, they’re smaller and lighter than other combustion engines for a given output, and with rotating rather than reciprocating internals, considerably smoother too. The idea of a rotary ra ...

Although there was briefly a company called Rotary Rocket, the term is much better known as a nickname for the Mazda RX-7 — one of the few cars that used a Wankel, or rotary, engine. If you ever ...