Did not know this. ales of more energy efficient bulbs are being aided by official moves to end production of higher wattage incandescent bulbs.

Production of 100 watt bulbs has ceased in the US and Europe. Production of 60 watt bulbs has been stopped in Europe and is being phased out in the US. From 2014, incandescent bulbs of 40 watts or above will be banned in the US.
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