21.   A generator that runs only several hours a day produces electricity.

22.   A real power plant would need five or six blasts per second to generate heat to produce electricity, Hogan said.

23.   A prototype cell produces enough electricity to run a salinity sensor or underwater microphones, and the technology is easily scaled up.

24.   AEP and other Ohio Valley utilities run coal-fired plants that can produce electricity more cheaply than many plants in eastern Pennsylvania, eastern Maryland and New Jersey.

25.   Builders using fuel cells and photovoltaic panels, which produce electricity without the pollution associated with conventional power sources, are eligible for special additional credits.

26.   But at least for one night, they sure produced electricity.

27.   But its subsidiary did -- the power plant that actually produces the electricity.

28.   Chilgener will produce electricity at gas-fired plants in Argentina and transmit it across the Andes mountains to mines in northern Chile.

29.   Caps, if set too low, may dissuade companies from producing electricity and from building new power plants.

30.   Car batteries now use sulfuric acid and lead oxide to produce electricity.