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Energy can be neither created nor destroyedxbut it can be wasted The United States wastes two-thirds of its energy including percent of the energy used in transportation So the nation has a tremendous opportunity to develop a sensible energy policy based on benefits and costs But to do that we need factsxnot hyperbole not wishful thinking Mara Prentiss presents and interprets political and technical information from government reports and press releases as well as fundamental scientific laws to advance a bold claim wind and solar power could generate percent of the United Statesx average total energy demand for the foreseeable future even without waste reduction To meet the actual rather than the average demand significant technological and political hurdles must be overcome Still a US energy economy based entirely on wind solar hydroelectricity and biofuels is within reach The transition to renewables will benefit from new technologies that decrease energy consumption without lifestyle sacrifices including energy optimization from interconnected smart devices and waste reduction from use of LED lights regenerative brakes and electric cars Many countries cannot obtain sufficient renewable energy within their borders Prentiss notes but US conversion to a percent renewable energy economy would by itself significantly reduce the global impact of fossil fuel consumption Enhanced by full-color visualizations of key concepts and data Energy Revolution answers one of the centuryxs most crucial questions How can we get smarter about producing and distributing using and conserving energy.