It used novel gear-driven camshafts ... mid-engine coupe GM was working on (the red car in the photos). Rotary engines have become synonymous with Mazda, but the Japanese automaker wasn't the ...

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 ...

combining a rotary detonation engine, rotor compressor, and ramjet technology, designed by Tsinghua University’s team in Beijing. The novel design does not require compressors or turbine parts ...

In the RE prototype, the engine was exclusively used to charge the lithium-ion batteries when they were running low, and a 100-horsepower electric motor provided all of the propulsion.