HEATKEYS

The HowStuffWorks Auto Section contains articles about everything from engine workings to classic cars. Learn about cars on HowStuffWorks Auto.

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

ABCNews.com is your breaking news resource for top stories, videos, photos, blogs, special reports and exclusive celebrity interviews on Good Morning America, World News, Nightline, 2020 and This Week.

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.

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.

YouTube is a place to discover, watch, upload and share videos.

The Atlantic covers news and analysis on politics, business, culture, technology, national, international and food on the official site of The Atlantic Magazine.

Search for new cars and used cars at CarsDirect.com. Research cars and trucks by make and model, sell your used car, and get help with auto financing.

News, research and opinion on alternative fuels and hybrid cars, as well as the issues impacting them. New and emerging technologies shaping the future of alternative fuels, laws and regulations impacting green fuel progress, hybrid car reviews and c...