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US states may regain control of vehicle emissions

Earth

US states may regain control of vehicle emissions

President Obama has ordered the US Environmental Protection Agency to reconsider Bush's policy of banning states from implementing their own standards for car emissions

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Could biodiesel power future rockets?

Earth

Could biodiesel power future rockets?

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Earth

A smarter way for oil firms to pay for eco damage

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Invention: Biofuel from the oceans

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Invention: Biofuel from the oceans

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Top 7 alternative energies listed

Earth

Top 7 alternative energies listed

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Car exhaust fumes cause lightning strikes

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Car exhaust fumes cause lightning strikes

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Balloon power isn't just a load of hot air

Earth

Balloon power isn't just a load of hot air

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Why wind turbines aren't bat-friendly

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Why wind turbines aren't bat-friendly

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Invention: Tree-hugging wind turbine

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Invention: Tree-hugging wind turbine

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Should nuclear fuels be taken out of national hands?

Technology

Should nuclear fuels be taken out of national hands?

To discourage proliferation, calls are growing to establish a system where nuclear materials are managed under international auspices

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Technology

World's smallest fuel cell promises greener gadgets

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Earth

Green fuel technologies pick up speed in 2008

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News review 2008: Oil shock hits the world

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Earth

Is the Exxon Valdez spill site finally clean?

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