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Light bulb ban: DOE moves forward with incandescent bulb ban
U.S. Phase-Out of Incandescent Light Bulbs Continues in 2014 with 40-, 60-Watt Varieties
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Old-fashioned light bulbs could be set for comeback after 'light recycling' breakthrough | The Independent | The Independent
U.S. speeds up phaseout of incandescent light bulbs : NPR
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