HEATKEYS

The Fuel Economy Database is a searchable database of fuel economy ratings cross referenced with Craigslist ads so that users can find used vehicles for sale in their area while they compare specifications.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Edmunds car buying guide lists new car prices, used car prices, car comparisons, car buying advice, car ratings, car values, auto leasing.

Car reliability, real-world gas mileage, car repair rates, common problems, car price comparisons, owner reviews.

U.S. News' Best Car rankings offers comprehensive reviews, ratings and pictures for all new and used cars and trucks

Want to know which cars, trucks, vans, and SUVs get the best gas mileage? MPGoMatic has three decades of data, cool MPG calculators, and MPG-focused video car reviews.

Official Motor Trend magazine web site features used cars, road tests, new cars, concept cars, auto shows, and much more car buying information and help.

Search 2.6 million new & used car listings, price a new car, get a dealer quote, read expert reviews, or sell your car at thousands over trade-in.

MNN is the leading resource for daily environmental news, green commentary and simple steps to save money, stay healthy, and support the planet.

EcoModder.com - DIY fuel economy mods, hypermiling, and ecodriving for better MPG