Free Gas [new window][broken link] Visit the iDontPay.com pages dedicated to saving gas and ultimately getting up to half of your gas for free.
AAA Foundation Free Materials [new window][broken link] (NEW) Order free brochures about safe driving from AAA. Order one of each brochure or order packs of 25 or 50 of each one. You can also download and read the PDF versions. (US only for brochures but anyone can download.)