Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The ...

Secondly, as the rotor and associated shafts are all working in the same circular motion, the rotary engine tends to be far smoother than a traditional engine with its reciprocating movement.

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 ...

The combination of Mazda CEO's rotary R&D announcement plus the gorgeous rotary concept add up to a new 350 hp-plus sports car in the pipeline.

The first tech to be showcased was a rotary engine, as Mazda had released their first rotary-powered car just a couple of years prior. The Mercdes-Benz test mule in question was called the C 111 ...