By comparison, the compact two-rotor 13B engine Mazda plonked in instead looked like a lawn tractor parked in an empty barn. Basically, we’re talking wombat sushi, and that is not a great taste people ...

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.

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Mark it down, auto enthusiasts.Mazda built its last rotary engine on Friday, June 22. By final, we mean the line that assembledRenesis engines for Mazda's RX-8 sports car was idled, and there are ...