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energy efficiency

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Earth

How to green America's gas guzzlers

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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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?

Earth

Are 'disposable' reactors a safe energy solution?

Features

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Earth

Material that turns heat to power gets efficiency hike

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Interview: Driving towards the 100-mpg car

Earth

Interview: Driving towards the 100-mpg car

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Earth

Chemical breakthrough turns sawdust into biofuel

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

Earth

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

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Earth

Nanotubes bring artificial photosynthesis a step nearer

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Earth

Organic dye lets window panes harvest the Sun

Trapping sunlight inside normal sheets of glass could reduce the cost of generating photovoltaic power

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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

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Earth

Comment: Kicking the oil habit

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