Mazda is pushing ahead with rotary engine development in the clearest sign yet that the firm still harbours ambitions of bringing back its iconic RX series of sports cars using Wankel technology.
The Japanese manufacturer killed off its last rotary-engined sports car, the RX-8, back in 2012 as its motor faced ever-tightening emissions regulations. The firm did build a prototype turbocharged RX-8, but that car would have failed to meet European requirements too, and its further development could not be justified on Japanese sales alone.
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