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energy efficiency

Green fuel technologies pick up speed in 2008

Earth

Green fuel technologies pick up speed in 2008

As Obama prepares to green the US, we take a look at the new technologies that may help – from super batteries to oil-cleaning fungi

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News review 2008: Oil shock hits the world

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Is the Exxon Valdez spill site finally clean?

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Is the Exxon Valdez spill site finally clean?

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Earth

Switch to biofuels boosts insect pest

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Platinum-free fuel cell promises cheap, green power

Earth

Platinum-free fuel cell promises cheap, green power

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Super-biofuel cooked up by bacterial brewers

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Super-biofuel cooked up by bacterial brewers

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Earth

Canadian tar plan threatens millions of birds

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How to unplug from the grid

Earth

How to unplug from the grid

Features

Crystals turn roads into power stations

Earth

Crystals turn roads into power stations

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Ten ways to save the world

Earth

Ten ways to save the world

A new book describes the technologies we need to adopt if we are to win the war against climate change

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Earth

Whatever happened to the hydrogen economy?

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Earth

Heat we emit could warm the Earth

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Technology

Smart drug implant has batteries included

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Earth

Cyborg leaf makes working solar power plant

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