Blue Room: Carmaker's Cribsheet for GURPS Aut
Rules that implement Car Wars vehicle design elements in GURPS Autoduel vehicle construction.
GURPS Lite
A distilled, complete version of the GURPS Basic Set in 32 pages, available as a free download. Designed both for newcomers to GURPS and as a tool for experienced GMs to teach the game to others.
Roleplayer: The GURPS Magazine
An online archive of articles, adventures, and features from the sadly out-of-print SJ Games magazine/newsletter devoted entirely to GURPS. The complete (text) contents of the magazine's paper run is present.
Steve Jackson Games: GURPS Autoduel
Official Web page for the GURPS Autoduel sourcebook with a few links and errata.