AOL Autos - Hybrid Cars and Alternative Fuels - Information about hybrid technology and farther alternative fuels like ethanol (E85), hydrogen and biodiesel.
Green Cars Now - Resource on fuel efficient and hybrid cars. Includes news, ratings, data, and driving tips.
Better World Club - Portland, Oregon, United States. Nationwide emergency roadside assistance, bicycle assistance, travel services and insurance needs provider specializing in environmental-friendly industry incentives such as hybrid cars discounts.
AOL Autos - New Car Reviews - Reviews of new cars, hybrids and new technologies.
Tribrid.com - Tribrids, hybrid cars, electric cars, solar cars and fuel cell cars, boats, planes and trucks. A detailed description of the next generation in alternative fuel vehicles, the tribrid.
The Dark Horse in the Race to Power Hybrid Cars - Are ultracapacitors the key to making hybrids king of the auto market? [Scientific American]
Hybrid Electric Vehicles - Information about cars that use both gas and electric power.
City Car Club - Provides an alternative to personal car ownership, with hybrid cars shared between members. How it works, FAQs, and information for members.
Alternative Fuel Vehicle Group - News and information of electric, hybrid and alternative fuel vehicles, fuel cells, natural gas, and variant clean fuels for public, private and government fleets, cars, trucks and buses.
EV Rental Cars - Rents natural gas and hybrid electric vehicles. Based at airports in Phoenix, Arizona, and Los Angeles and San Francisco California areas.
PHART - PHill's Acadmey of Road Training - An approved driving school with environmentally conscious, hybrid electric cars. Vehicles, overview, and contacts.
How Stuff Works: Hybrid Cars - Graphical tutorial explains the workings behind these vehicles. Also includes some current real-world examples and concerning links.
GreenHybrid - Hybrid Cars - The interactive hybrid cars assets. Hybrid discussion forums, articles and tips, the Real Hybrid Mileage Database and hybrid car image gallery.
Fueleconomy.gov - The Department of Energy's fuel economy site gives gas mileage tips, gas price info, and a tool to compare fuel efficiency of hybrids and conventional cars. The "Fuel Economy Guide" provides the government view on reasons to be concerned about fuel economy.
EV World - News, forums, and marketplace related to electric cars, hybrid-electric and fuel cell vehicles. A lot of the content requires a paid subscription.
Team Fate - Design team with purpose of developing hybrid cars. Includes project overview.
California Car Company Initiative - A non-profit group promoting "plug-in hybrids" - hybrid gas/electric cars that have larger batteries and can be recharged at an outlet.
Union of Concerned Scientists - Clean Vehicle Program - Offers background information about various clean transportation technologies including hybrid gas-electric cars, fuel cells, and all-electric vehicles. Also find an analysis of the potential of hybrid cars, driver viewpoints, and a green car buying guide.
Research Hybrids - Information resource about hybrid cars and their ecological efficiency. Includes charts, review, articles and comparison tools.
Eco Car - Information resource about hybrid cars. Includes reviews, specifications and chat forum. | 
