Return of the rotary: Mazda's iconic engine is coming back with at twist
Wankel rotary engines use a triangular-shaped rotor spinning in an oval chamber instead of reciprocating pistons.
The design provides excellent power density and smooth operation, but at the expense of some efficiency and with poorer emissions performance.It rose to prominence in the Mazda RX-7 model line, but the last new car feature one was the Mazda RX-8.with the aim of bringing it back. It will do just that at the Brussels Motor Show on Jan. 13, but not by itself.Instead of being used as the primary power source, Mazda will offer it in a range-extended, plug-in hybrid version of the MX-30 electric SUV.
The MX-30 is Mazda's first electric vehicle and currently offered in a version that provides just 100 miles of range between charges, in an effort to keep the weight and cost of the battery down. The range-extended version that will first go on sale in Europe this spring will not use the rotary to drive the wheels, but as a gas-powered electricity generator for long trips.
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