Technical information on all aspects of automotive engine management. Includes fuel injection, ignition, sensors and actuators. Also contains a waveform library and e-mail helpdesk. http://www.auto-solve.com/
Joint effort by the U.S. DOE and EPA. New vehicle fuel mileage guide, gas saving tips, information on greenhouse gasses, advanced technology and an faq. http://www.fueleconomy.gov/feg/
Hosts dozens of discussion boards for different auto and truck models. Also features commercial vehicle and outdoor adventure boards. http://forums.vmag.com/
Dedicated to making people more confident when buying, servicing and driving automobiles with articles offering practical advice, consumer news and featured vehicle of the week. http://www.shedrives.com
Comprehensive automotive resources including lists of clubs and publications, image gallery, and hard-to-find information. http://1motormart.com/resource.htm