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Cogenerators use waste heat from one activity to supply heat or energy to at least one other activity. They have the capacity to reduce the amount of energy used (especially energy derived from fossil fuels) to accomplish more work without sacrificing convenience and comfort. Cogeneration is also called combined heat and power (CHP). Cogeneration technologies were given a major boost in the United States with the passage of the Public Utilities Regulatory Policies Act of 1978, which allowed competition in the generation of electricity. Public utilities were required to purchase electricity from alternative sources, which included solar power, wind power, or cogeneration. The policy goal was to increase the amount of electricity generated in the United States, while reducing the costs along with the nation's ...

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