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Light bulb technology has made great strides in recent decades, much to the benefit of the average consumer. Not only are they more cost-effective and longer-lasting in most cases than they were ...

LED bulbs use a fraction of the energy of traditional bulbs but cost a lot more to buy. We do the sums The running cost of 10 6W LED bulbs is 7.3p per day, 51p a week, £2.19 a month and £26.65 a year ...

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