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How to turn seawater into jet fuel

Earth

How to turn seawater into jet fuel

The US navy has shown it can take carbon dioxide and hydrogen from the ocean and turn it into fuel – but this is far from free energy

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As Arctic Ocean warms, megatonnes of methane bubble up

Earth

As Arctic Ocean warms, megatonnes of methane bubble up

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Future trucks: Cleaning up the kings of the road

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Future trucks: Cleaning up the kings of the road

Features

Glass leaf 'sweats' to generate electricity

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Glass leaf 'sweats' to generate electricity

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US vehicle efficiency hardly changed since Model T

Earth

US vehicle efficiency hardly changed since Model T

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Review: <i>The Solar Century</i> edited by Jeremy Leggett

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Review: The Solar Century edited by Jeremy Leggett

Books & Arts

Electric cars: Juiced up and ready to go

Earth

Electric cars: Juiced up and ready to go

Features

Interview: Fusion in a cold climate

Technology

Interview: Fusion in a cold climate

Opinion

Rival designs race to harness ocean energy

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Rival designs race to harness ocean energy

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Earth

Money flows into green transport despite recession

Investment in green transport rose in the second quarter of 2009 – bucking a six-month-long downward trend

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Earth

Methane controls before risky geoengineering, please

Comment

Earth

Chicken feathers could make cheap hydrogen store

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Earth

Ice on fire: The next fossil fuel

Features

Earth

Biofuels could clean up Chernobyl 'badlands'

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