Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

For more than a decade the name Wankel has popped up whenever car enthusiasts start talking about advanced-design automotive powerplants. The theory of the Wankel engine goes back to 1954 when Dr.

When Mazda discontinued the RX-8, most people assumed the rotary engine was finished. The RX-8 was the last production car to use Mazda's signature Wankel rotary, and its departure seemed to signal ...

We may receive a commission on purchases made from links. Mazda and NSU tend to get all the credit for Wankel rotary engines in cars, but Mercedes also did quite a bit of Wankel development, using the ...