The 40- and 60-watt incandescent light bulbs turn 90 percent of the energy they consume into heat. More efficient incandescents will be available, in addition to the rainbow of now-cheap LEDs and CFLs.
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Assuming that wind generation has displaced capacity of natural gas and coal-fired power plants, the increase in wind power has helped the United States avoid 85.7 million metric tons of carbon dioxide pollution in 2012 alone.