The demand for energy-saving bulbs that Yan foresaw years ago is about to rocket to even higher levels.

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Goeken's PolyBrite International of Naperville, Ill. looks to leapfrog the little fluorescents with energy-saving bulbs that rely on light-emitting diodes, which are glowing semiconductor chips.

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Lee Tomkins, director of Migraine Action, is urging sufferers to stockpile the old-fashioned bulbs before retailers run out, while the the Royal National Institute of Blind People suggests using tungsten halogen bulbs instead of energy-saving bulbs in hallways and stairs.

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Switch to energy-saving light bulbs and smaller TVs and refrigerators, she advises.

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The 60W is the latest old-fashioned light bulb to be switched off in favour of the fluorescent lamps, energy-saving halogen bulbs and LED lights.

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To get a LEED certification, for instance, homes collect points for green features, such as energy-efficient light bulbs and water-saving toilets.

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In keeping with the times, European companies like IKEA also began to phase out the sale of incandescent bulbs in stores in the USA and around the world in favour of new energy saving lighting.

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