Yes, Wankel engines are still used, although they are less common than conventional piston engines. Fuel economy concerns and the cost of meeting emissions standards have limited their use in production vehicles. Their compact size, light weight, mechanical simplicity, and smooth operation nevertheless make them useful for specialized applications, including aircraft auxiliary power, aerial drones, go-karts, and personal watercraft. Mazda also uses the design in its MX-30 Rotary-EV automobile.
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