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energy efficiency

'Flammable ice' could be mined for fuel

Earth

'Flammable ice' could be mined for fuel

A test in the Canadian tundra shows that extracting methane hydrates to burn as fuel may soon be possible on industrial scales

News

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Technology

Editorial: Nuclear industry must not forget past lessons

Opinion

Nuclear super-fuel gets too hot to handle

Earth

Nuclear super-fuel gets too hot to handle

News

Harnessing river whirlpools puts energy on tap

Earth

Harnessing river whirlpools puts energy on tap

News

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Earth

Biofuel corn makes cow bug enzyme to digest itself

News

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Earth

Australia pressed to take lead on carbon capture

News

Nanomaterial turns radiation directly into electricity

Technology

Nanomaterial turns radiation directly into electricity

News

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Earth

Chief scientist revolts over biofuel legislation

News

Can coal live up to its clean promise?

Earth

Can coal live up to its clean promise?

Features

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Earth

Melting glaciers will trigger food shortages

The glaciers that feed Asia's mightiest rivers are disappearing, and with them irrigation water that feeds millions

News

Technology

Reincarnated material turns waste heat into power

News

Earth

Solar-power paint lets you generate as you decorate

News

Technology

The microchips that could heat your home

News

Earth

Biofuel blends not as green as they seem

News

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