Power/energy: Cogeneration: An energy saver: This old and proven practice is even more attractive as the costs of primary fuels soar

Cogeneration — the production of electric power or mechanical shaft power in combination with a useful thermal energy supply - is becoming increasingly attractive to manufacturers, commercial establishments, residential consumers, and utilities because it offers a good return-on-investment possibility. Another advantage is that it increases the availability of reliable power in a utility blackout or natural disaster. Alternative fuels used in cogeneration systems can also reduce environmental pollutants.