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Energy Archive

  • Heavy-Duty Hybrids

    Hybrid trucks and buses could significantly cut U.S. fuel consumption, but initial high costs are holding them back.

    12 comments

  • Floating Wind Farms

    General Electric has a solution to the eyesore problem.

    2 comments

  • Better Fuel Cells Using Bacteria

    Bioengineer Tim Gardner says synthetic biology could create bacteria that produce electricity from waste more efficiently.

    5 comments

  • More Powerful Hybrid Batteries

    A123 Systems has built a powerful, lightweight lithium-ion battery pack that could lower the price of hybrid vehicles.

    28 comments

  • Sensors Without Batteries

    In the future, the environment could be pervaded by sensors using the same power-scavenging techniques as RFID tags.

    14 comments

  • Making the Power Grid Smarter

    A project is networking home appliances and thermostats to electricity grids, decreasing utility costs and electricity loads.

    11 comments

  • Giant Wind Turbines

    Floating wind farms placed far offshore could lead to affordable electricity – without cluttering the view.

    50 comments

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