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energy efficiency

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How to turn gas guzzlers into green machines

The US could halve its gasoline consumption by 2035 if the car industry changes its definition of "improvement". Consumers should lead the way

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How to green America's gas guzzlers

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Earth

Electrode lights the way to artificial photosynthesis

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Earth

Solar-cell material can soak up more Sun

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Are 'disposable' reactors a safe energy solution?

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Are 'disposable' reactors a safe energy solution?

Features

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Material that turns heat to power gets efficiency hike

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Interview: Driving towards the 100-mpg car

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Interview: Driving towards the 100-mpg car

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Chemical breakthrough turns sawdust into biofuel

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Who needs coal when you can mine Earth's deep heat?

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Who needs coal when you can mine Earth's deep heat?

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Nanotubes bring artificial photosynthesis a step nearer

Carbon nanotubes have the right properties to allow a key step in photosynthesis that has eluded chemists until now, say experts

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Earth

Organic dye lets window panes harvest the Sun

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Earth

Contaminated US site faces 'catastrophic' nuclear leak

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Earth

Wind power sails ahead in UK as US solar plans freeze

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Earth

Cold war 'caterpillar drive' could harvest sea power

Features

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