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energy efficiency

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Earth

Forests paying the price for biofuels

The drive for "green energy" in the developed world is having the perverse effect of encouraging the destruction of tropical rainforests

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UK wind power takes a battering

Earth

UK wind power takes a battering

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Technology

Spoonful of sugar makes biofuel greener

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Technology

UK gearing up for nuclear revival

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Earth

Editorial: A chance to crack the oil addiction

Opinion

Powdered metal: The fuel of the future

Technology

Powdered metal: The fuel of the future

Features

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Technology

Hot new fuel for nuclear reactors

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Technology

Hydrogen generator could power electronic gadgets

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Earth

Clean energy special: Eastern promise

Features

Clean energy special: A greener goal for coal

Earth

Clean energy special: A greener goal for coal

Like it or not, coal is here to stay. But that does not have to be a disaster for the climate, suggests Bennett Daviss

Features

Earth

Clean energy special: The big clean-up

Features

Earth

Coal-powered fuel cell aims for efficiency

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Technology

What ifÂ… Electric motors pre-dated steam engines

Features

Space

'Antimatter harvester' may fuel future spacecraft

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