Republican politicians launched their light bulb war in Washington last year. While they failed to get this year's federal regulations phasing out most types of incandescent light bulbs overturned, the battle plods on. As of Jan. 1, manufacturing or importing 100-watt lights for sale in the United States is illegal, and 75-, 60- and 40-watt bulbs will reach that point by 2014, but six states have pending legislation that could free them from the new energy guidelines...

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