Steve McQueen: Motoring is a good part of life

Looking though Seloc just now I followed a link to a great article by Steve McQueen from a 1966 edition of Sports Illustrated. He talks about his love of racing and reviews eight of the best cars of the day.

So what is a diffuser and what does it do for an F1 car?

In 2009 Formula 1’s aerodynic rules have been changed and teams such as Brawn, Williams and Toyota find themselves with more efficient diffusers that have brought them to the top of the grid. but what are diffusers and what do they do?