Rotary engines made their biggest impact in Mazda sports cars, but a recent episode of "Jay Leno's Garage" delves into the rotary's earlier history. Before it was popularized by Mazda, the rotary ...

Designed and championed by self-taught engineer Felix Wankel, the rotary engine is now most closely associated with Japanese automaker Mazda. Many of the greatest Mazdas ever made, including the RX-7 ...

Performance diesel engines are usually the realm of European automakers, but the highest-revving diesel actually comes from ...

Cars using a Wankel rotary are certain to attract collectors' attention. These are 10 to take a look at.