S economy annually and then there is climate change

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Unformatted text preview: Nov 06, http://www.dtic.mil/cgi-bin/GetTRDoc? Location=U2&doc=GetTRDoc.pdf&AD=ADA507168, 7/3/2012) EIL Energy comes to the U.S. economy from various primary sources. Oil and gas, the two primary energy sources that are imported in substantial quantities, supply about 63 percent (figure 1). The third of the largest sources of primary energy, coal, is available from abundant domestic sources. The remaining sources are nuclear power, biomass (wood waste and biofuels), hydroelectric power, and geothermal, solar, and wind power. Most (68 percent) of the oil used in the United States is for transportation, and oil fuels 96 percent of transportation needs.3 This domination of oil in the transportation sector is the result of its relatively low cost over most of history, and its convenience as a high-energy-density liquid that is easy to store and transport. It is the dependence of the transportation system on liquid fuel that makes oil so important in the U.S. economy. High speed rail is key to jobs and energy security – creates a new industry with new demands Kunz, president and CEO of the U.S. High Speed Rail Association, 3/10/2011 (Andy, U.S. High-Speed Rail: Time to Hop Aboard or Be Left Behind, 3/10/2011, http:/...
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This note was uploaded on 11/30/2013 for the course PHILOSOPHY 303m taught by Professor Tye during the Fall '12 term at University of Texas.

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