Jay Leno provides deep dive on the rotary engine

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 engine entered production with German automaker NSU (an Audi predecessor). The NSU Spider launched in 1964—three years before Mazda launched its…