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energy efficiency

Is night falling on classic solar panels?

Earth

Is night falling on classic solar panels?

A new breed of electronic solar cells that harvests power from heat could double the output of conventional panels

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Sun and sand breed Sahara solar power

Earth

Sun and sand breed Sahara solar power

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Cloud lasers: Hunting quantum secrets in the skies

Earth

Cloud lasers: Hunting quantum secrets in the skies

Features

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Earth

Biofuels will up Euro greenhouse emissions

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Earth

Green Machine: Markets hint at 100-year energy gap

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Earth

Green machine: Heat scavengers come in from the cold

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Cold climates no bar to biogas production

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Cold climates no bar to biogas production

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Solar power could crash Germany's grid

Earth

Solar power could crash Germany's grid

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Technology

Work light twice as hard to make cheap solar cells

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Technology

Charge your phone with a beach towel

A photovoltaic liquid lets you spray-paint solar cells onto almost any surface

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Space

Out-of-this-world proposal for solar wind power

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Technology

Oil company to build longest floating vessel ever

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Technology

Japan to begin drilling for methane in undersea slush

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Technology

Born-again solar cells are more efficient

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