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Earth

Redesigned petrol engine promises green gains

The prototype vehicle engine may improve future fuel efficiency by 25% and reduce emissions, say its developers

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Technology

Computers learn to fly kites for renewable energy

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Antarctic pod makes way for green research

Earth

Antarctic pod makes way for green research

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Fossil-fuel hangover may block ice ages

Earth

Fossil-fuel hangover may block ice ages

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Underwater turbines set to generate record power

Earth

Underwater turbines set to generate record power

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Forget biofuels – burn oil and plant forests instead

Earth

Forget biofuels – burn oil and plant forests instead

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Earth

Nations scramble for oil in Arctic

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Can biofuels rescue American prairies?

Earth

Can biofuels rescue American prairies?

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Energy-curbing bill passes Congress

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Energy-curbing bill passes Congress

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Buoys flex artificial muscles for renewable energy

Earth

Buoys flex artificial muscles for renewable energy

The "muscles" are being used to turn the ocean's waves into electricity in a novel pilot project which could eventually provide cheap, clean power

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Earth

Revealed: America's most polluting power plants

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Earth

Flying windmills could harness the jet stream

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Earth

Renewable energy could 'rape' nature

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Technology

Summer sun can provide winter heat

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