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Get Energy Revolution: The Physics and the Promise of Efficient PDF

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By Mara Prentiss

ISBN-10: 0674725026

ISBN-13: 9780674725027

Energy may be neither created nor destroyed—but it may be wasted. the U.S. wastes two-thirds of its strength, together with eighty percentage of the strength utilized in transportation. So the country has a large chance to increase a smart power coverage in keeping with advantages and prices. yet to do this we'd like facts—not hyperbole, no longer wishful pondering. Mara Prentiss offers and interprets political and technical info from govt reviews and press releases, in addition to primary clinical legislation, to strengthen a daring declare: wind and solar energy may perhaps generate one hundred pc of the U.S.’ standard overall power call for for the foreseeable destiny, even with out waste reduction.

to satisfy the particular instead of the typical call for, major technological and political hurdles needs to be conquer. nonetheless, a U.S. power economic system dependent solely on wind, sun, hydroelectricity, and biofuels is within sight. The transition to renewables will reap the benefits of new applied sciences that reduce power intake with no way of life sacrifices, together with power optimization from interconnected clever units and waste aid from use of LED lighting, regenerative brakes, and electrical autos. many nations can't receive adequate renewable power inside of their borders, Prentiss notes, yet U.S. conversion to a 100% renewable strength economic climate could, on its own, considerably lessen the worldwide influence of fossil gas consumption.

improved by means of full-color visualizations of key techniques and information, Energy Revolution answers one of many century’s most vital questions: How do we get smarter approximately generating and allotting, utilizing and protecting, energy?

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Meanwhile, increases in domestic oil production are so large that they will reduce oil imports even if no ethanol were added to gasoline. 16. com/parts-and-support /fuel-recommendations#e85. 17. html. 18. A. Proposes Reducing Ethanol Requirement for Gas Mix, by Matthew L. Wald, Published: November 15, 2013. module =Search& mabReward=relbias%3Ar. S. senators introduced a bill to eliminate the mandate for corn-based ethanol. ”19 The fuel ethanol transition in the United States also illustrates that decisions made about energy have an influence that extends far beyond direct consequences associated with energy use and extends well beyond the borders of the United States.

Similarly, for commercial power-generating plants, the initial cost of a fossil fuel–burning power plant is much lower than the cost of a comparable renewable plant; however, in order to generate power, the fossil fuel– burning plant must continue to purchase fuel, whereas the renewable energy plant does not require additional purchases. As a result, whether renewable power is favorable will depend on the price of fossil fuel dur- Over view of Renewable Energ y ing the lifetime of the renewable energy plant, which is expected to be twenty to thirty years.

Locating Elec tr ic Power for a Renewable Future power plants near consumers is sensible because transmitting electrical power along wires always entails an energy loss—the amount of power generated by fossil fuel burning power does not depend on the physical location of the plant. The energy loss increases with the distance transmitted, so locating power plants close to consumers minimizes energy losses resulting from transmission. S. cities have electrical power plants within the city limits that provide electricity for the city.

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Energy Revolution: The Physics and the Promise of Efficient Technology by Mara Prentiss


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