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HowStuffWorks explains hundreds of subjects, from car engines to lock-picking to ESP, using clear language and tons of illustrations. We do the resear

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

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

Read hybrid car reviews and compare hybrid models. Buying guides and interactive tools. Read about plug-in hybrids, electric cars, biofuel-powered cars, fuel-efficient small cars, and other auto alternatives for the 21st century.

The Union of Concerned Scientists is the leading science-based nonprofit working for a healthy environment and a safer world through a combination of independent scientific research and citizen action.

Kelley Blue Book is the trusted resource for prices, values and expert and consumer reviews on new and used cars. Before buying or selling your next car, visit KBB.com.

Honda Cars - Home of information on the latest Honda cars and SUV models, Certified Used Cars. Photos, videos, and technical specs for all car models from American Honda.

Alternative energy news and information resources about renewable energy technologies. The purpose of this site is to provide a resource and to help raise awareness about renewable energy technologies.

Official Site of Toyota Motor Sales - Cars, Trucks, SUVs, Hybrids, Accessories & Motorsports.