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Tagged: efficiency

  • News

    BP's Bet on Butanol

    Forget ethanol: it’s hard to transport and gives bad mileage per gallon. Another alcohol, butanol, is a much better renewable fuel, says the president of BP Biofuels.

    43 comments

  • Q&A

    Vinod Khosla

    A veteran venture capitalist’s new energy.

    2 comments

  • News

    Cheap Nano Solar Cells

    Carbon nanotubes could help make nanoparticle-based solar cells more efficient and practical.

    13 comments

  • Demo

    The Incredible Shrinking Engine

    A new engine design could significantly improve fuel efficiency for cars and SUVs, at a fraction of the cost of today’s hybrid technology.

    85 comments

  • Review

    Hell and Hydrogen

    No matter how well they’re engineered, hydrogen cars offer no real answer to the imminent threats posed by global warming.

    64 comments

  • News

    Nuclear Energy for the Developing World

    New reactor technologies offer poorer nations cheap, safe, efficient power. Sanctions designed to prevent the proliferation of weapons impede their use. What would a better policy look like?

    6 comments

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