This chapter covered the production of heat by fusion reactors and from heat electricity. It showed that the raw materials used in the production of energy with fusion, deuterium and lithium, were sufficiently abundant to serve humanity for centuries. These materials have little competing uses. It described the several paths available for the development of a fusion reactor, linear or toroidal magnetic confinement and laser or particle beam particle beam compression. Each type has its particular merits and challenges, but the magnetic confined plasma reactor appears nearest to implementation in a form most suitable for a future energy system. It evaluated the potential environmental impact of the use of fusion reactors and showed that, while there are potential hazards, proper reactor design and planning should reduce the hazards to an acceptable level. This chapter attempts to show that fusion reactors will be a satisfactory source of energy to provide an energy system that will supply human needs without harm to the environment. 154

Many current energy needs cannot be easily satisfied by heat and electricity produced by fusion reactors. For credible use of a fusion energy system it will be necessary to produce a manufactured chemical fuel to serve as the medium for the storage and transport of fusion derived energy. Chapter 4 will show there is only one choice for the manufactured chemical fuel, hydrogen.

154 Holdren, John P., "Fusion Energy in Context: Its Fitness for the Long Term", Science, Vol. 200, April 14, 1978, Page 168


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