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Renewable energy

From AC to DC: Going green with supergrids

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From AC to DC: Going green with supergrids

Power lines stretching across continents would allow us to ditch fossil fuels for good – and prove Edison right about direct current in the process

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Solar power schemes could protect nature reserves

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Solar power schemes could protect nature reserves

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Salt solution: Cheap power from the river's mouth

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Salt solution: Cheap power from the river's mouth

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Gas tank of the future takes a step closer

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Sun-powered device converts CO2 into fuel

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Why sustainable power is unsustainable

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Carbon catalyst could herald cut-price fuel cells

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Cheap, super-efficient LED lights on the horizon

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Cheap, super-efficient LED lights on the horizon

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US states may regain control of vehicle emissions

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US states may regain control of vehicle emissions

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Could biodiesel power future rockets?

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Could biodiesel power future rockets?

In an early test, biodiesel produced nearly the same thrust as conventional rocket fuel

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A smarter way for oil firms to pay for eco damage

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Invention: Biofuel from the oceans

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Top 7 alternative energies listed

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Balloon power isn't just a load of hot air

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