Designed for readers who do not have a science and technology background, this book introduces the links between work, energy, and efficiency. Examples range from human's earliest work endeavors such as building pyramids to the inspiration and development of Henry Ford's first automobile up through alternative energy sources. Also, among the many topics covered are energy, work, and power; combustion for home comfort; the steam engine; electricity generation; boilers and heat transfer; cars and their impact; atoms and atomic energy; Three Mile Island and Chernobyl; Acid rain; smog; nuclear fusion; the greenhouse effect; and more.