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Energy In America

TOTAL 43% ENERGY IN AMERICA 57% TOTAL ENERGY WASTED *ONE QUAD IS EQUAL TO 293 billion kilowatt hours ENERGY USED ESTIMATED U.S. ENERGY USE, 2010 (TOTAL: 98 QUADS") ELECTRICITY 183 million barrels of petroleum 38.5 million tons of coal 48% OOUCTON 7% BULDINGS 8% INDUSTRY 980 billion cubic feet of natural gas 37% TRANSPORTATION In this simplified look at energy use in the United States, resources ENERGY SOURCES ENERGY USERS ELECTRICITY PRODUCTION RENEWABLES INPUT 3.8 68% 39.5 enter the system at the left. Renewables, nuclear power, coal, QUADS QUADS 32% and some natural gas generate electricity, which then powers buildings and industrial processes. Halfof America ty comes from enal the wort culprit of ineicieny Ascol proceed into electricity two s of the energy is wasted NUCLEAR Natural gas is used in buildings and industry for heating, cooling. 8.4 QUADS BUILDINGS and cooking. Petroleum primarily INPUT 20.5 20% powers the transportation system: 80% QUADS cars, buses, planes. udings ae everyee, bu heye the mosteed energy coumens. Enhancing energyefficiency in bulding makesumore confone and sves tamiles and buninesses money COAL 20.8 Energy is wasted when resources are converted to electricity and when it's used in buildings, QUADS industry, and transportation. Currently, less than half of the country's energy actually INDUSTRY INPUT 20% NATURAL GAS 23.3 -80% produces useful work like 24.7 QUADS lighting and heating your home GUADS Indunitrial unen comume large amounts of energy mave cental tacites making them deal candidates for ed ficiency. The market ina ong motivator uning le eneryto dmore work boo production and savs mony or powering your car. The rest-57 percent-is wasted. Increasing efficiency in the energy BIOMASS system would be like turning that 4.3 TRANSPORTATION INPUT 27.5 wasted energy into useful energy. GUADS 75% 25% D Lence Livemore Natonal Lotory and the Department of Energy QUADS of the four sectors apononis ty tar the le efficient Why The intemal combustion engine dof moving peple and goodsom one place themost the enengy ia tued to heat Thats why electric vehicles are pto s0 percent more eficient PETROLEUM LLUSTRATION BY Cartis Whaley (Teblet lefographia) 36 QUADS ENERGY MATTERS WINTER 2011 www.FRESH ENERGY.ORG 5.

Energy In America

shared by curtiswhaley on Feb 09
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This depicts energy sources in the United States and how much gets used and wasted.

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Environment
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