June 16 2006 A year ago this week, Peugeot announced its decision to take up a new technological challenge: to win the Le Mans 24 Hours race with a car powered by an HDi diesel engine. Though much of ...

Three years ago, the idea of a diesel race engine would have made most people laugh. Outside the world of sled pulling, the words diesel and race were never even seen together in motorsports.

Diesel injectors have gotten increasingly complex over the last twenty years of diesel development, but their basic design is fairly simple. Diesel fuel from the injection pump enters the mechanical ...