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LED light bulbs are getting cheaper and more energy efficient every year. So, does it make sense to replace less-efficient bulbs with the latest light-emitting diodes now, or should you wait for future improvements and even lower costs?
A new study from University of Michigan researchers recommends replacing all incandescent and halogen light bulbs in your home now with compact fluorescent lamps (CFLs) or LEDs.
But immediate replacement is not advised for existing CFLs and LEDs, unless your main concern is helping to reduce power-plant emissions, according to the study scheduled for publication Nov. 15 in Environmental Research Letters.