21. The Mi version is powered by a Wankel engine . 22. Wankel engines that operate within their original design parameters are almost immune to catastrophic failure.23. The 1973 oil crisis played a part in frustrating the uptake of the Wankel engine . 24. The Wankel engine features oil cooling in addition to liquid-cooling to successfully manage its excessive heat. 25. He seizes up like an old Wankel engine . 26. Wankel engines generally can sustain much higher engine revolutions than reciprocating engines of similar power output.27. Mazda has developed Wankel engines to burn hydrogen. 28. Mazda has developed Wankel engines that burn hydrogen. 29. Leaded gasoline was the predominant type available in the first years of the Wankel engine 's development. 30. As a further advantage, running a Wankel engine at a constant speed gives greater engine life.
