Talk of radically different designs always leads to a single name – Wankel. The Wankel rotary engine, most notably used in automobiles by Mazda, has been around since the late 1950’s.

The issue, as it has pretty much always been, is environmental. While the Wankel rotary engine does indeed make a lot of power in a small, lightweight package, it does so while burning lots of ...

Mazda’s CEO said the response to the Iconic-SP concept was good enough to restart rotary engine development, too.

If there's one thing forever associated with the Wankel rotary engine, it's Mazda. Powering production vehicles from the Cosmo's launch in May 1967 to the last RX-8 leaving the plant in June 2012 ...

In the late 1960s, a Japanese automaker took a bold leap with an unconventional engine that defied traditional design.

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 ...

I have already written about LiquidPiston and its XTS-210, but Avadi's idea is even more striking: it is a reciprocating engine that works as a rotary. Imagine an ICE with a single piston.

The iconic rotary car engine, thought to have been consigned to the dustbin of impractical technology, is making a comeback in Japan from the very automaker that introduced the system as far back ...