Previous Chapter: Summary
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
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Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 32
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 33
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 34
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 35
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 36
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 37
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 38
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 39
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 40
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 41
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 42
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 43
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 44
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 45
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 46
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 47
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 48
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 49
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 50
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
Page 51
Suggested Citation: "1 Study Purpose and Background." Transportation Research Board. 2011. Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation: Special Report 307. Washington, DC: The National Academies Press. doi: 10.17226/13194.
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