LED light bulbs may not be magic bullet for energy savings

By Casey Johnston 

Using more efficient lights like LEDs will not necessarily lessen human impact on the environment, according to a perspective published in the Journal of Physics D: Applied Physics. Though artificial light sources are increasingly efficient, scientists point out that people may even the keel on energy costs by using light sources more and more. To get the efficiency to translate to energy savings, energy providers may have to raise their prices…

While a more-efficient fixture on its own consumes less energy than its predecessor—an LED as bright as a 60-watt incandescent bulb consumes only 7 watts of power—but that doesn’t mean its owner will carry the energy savings, the authors point out. As lighting becomes more efficient and less expensive, they say, people will likely elect to use more and more of it…

In order to get people to save energy, the authors suggest that the best way may be to force the savings at the source by increasing the cost of power. They hope that this would hold energy consumption constant, at least, while preserving some of the productivity that could be gained by using more light… Read More>>

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