How do I know how much I save by changing one lightbulb?

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    Replacing just one incandescent light bulb with a swirl light-bulb will save you enough electricity to cover the cost of the light bulb in about five months.  If every American replaced one light bulb with a swirl-bulb, we’d save enough energy to power a city of 1.5 million inhabitants.  To read an article about the energy saving potential of swirl bulbs, click here:

     

    http://www.fastcompany.com/magazine/108/open_lightbulbs.html

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