Solar photovoltaic cells have been called the ultimate energy technology, environmentally benign and without moving parts, solar cells directly convert sunlight into electricity. Photovoltaic energy conversion is fundamentally different from all other forms of electricity generation. Without turbines, generators or other mechanical equipment, it…

This report consists of three parts. The first part provides advice (in the form of questions and answers) to prospective individual power producers who are considering investing in electricity-producing systems and in generating their own power. A list of Public Utilities Regulatory Policies Act (PURPA) regulations is included. This legislation…

Based upon the findings of a National Science Foundation (NSF) survey of 1980 Industrial Research and Development, this report presents highlights and summaries of statistical data for: (1) total research and development (R&D) funds for 1980; (2) R&D by source of funds; (3) R&D funds as a percent of net sales; (4) energy-related…

The air-to-air heat exchanger (a fan powered ventilation device that recovers heat from stale outgoing air) is explained in this six-part publication. Topic areas addressed are: (1) the nature of air-to-air heat exchangers and how they work; (2) choosing and sizing the system; (3) installation, control, and maintenance of the system; (4) heat…

This three-section report provides introductory information about biogas production and its application to farm environments. The first section discusses the various components of a biogas production system (a system that converts organic wastes into a usable form of energy), explains the system's benefits and liabilities, and provides a brief…

The problem is discussed as to whether man's age-old characteristics of selfishness and greed can be sufficiently overcome to avoid any general world war. It is suggested that if people are to come to terms with the problems confronting them, what the schools teach will be of vital importance. (PB)