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Authoritative weekly newspaper focusing on international politics and business news and opinion.

Bloomberg is a premier site for updated business news and financial information. It delivers international breaking news, stock market data and personal finance advice from leading experts.

Green fuels are the future of the worlds clean energy needs. Learn about the potential fuels and technologies that could replace the use of polluting fossil fuels.

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Cleantech innovation: We are as gods, so we might as well get good at it.

WikiAnswers: Questions and Answers from the Community

Reuters.com brings you the latest news from around the world, covering breaking news in business, politics, entertainment, technology, and more in video and pictures.

Space.com provides information on everything Space - satellites, stars, astronomy, the Sun, planets, NASA and more.

Popular articles & stories from the Chicago Tribune news archives, including an extensive archive and timeline that can be browsed by date and keyword.

Explore specifications, safety features, photo and videos for the entire Mercedes-Benz luxury vehicle line-up. Compare performance and luxury sedans, coupes, convertibles, crossover, SUVs and wagons. Build Your Own Mercedes-Benz, or Contact a Dealer...

wiseGEEK: clear answers for common questions