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The water needs for LDV transportation in the United States

Author

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  • King, Carey W.
  • Webber, Michael E.
  • Duncan, Ian J.

Abstract

Concern over increased demand for petroleum, reliable fuel supply, and global climate change has resulted in the US government passing new Corporate Average Fuel Economy standards and a Renewable Fuels Standard. Consequently, the fuel mix for light duty vehicle (LDV) travel in the United States will change over the coming years. This paper explores the embodied water consumption and withdrawal associated with two projections for future fuel use in the US LDV sector. This analysis encompasses conventional and unconventional fossil fuels, corn ethanol, cellulosic ethanol, soy biodiesel, electricity, and hydrogen. The existing mandate in the US to blend ethanol into gasoline had effectively committed 3300 billion liters of irrigation water in 2005 (approximately 2.4% of US 2005 fresh water consumption) for producing fuel for LDVs. With current irrigation practices, fuel processing, and electricity generation, it is estimated that by 2030, approximately 14,000 billion liters of water per year will be consumed and 23,000-27,000 billion liters withdrawn to produce fuels used in LDVs. Irrigation for biofuels dominates projected water usage for LDV travel, but other fuels (coal to liquids, oil shale, and electricity via plug-in hybrid vehicles) will also contribute appreciably to future water consumption and withdrawal, especially on a regional basis.

Suggested Citation

  • King, Carey W. & Webber, Michael E. & Duncan, Ian J., 2010. "The water needs for LDV transportation in the United States," Energy Policy, Elsevier, vol. 38(2), pages 1157-1167, February.
    • Handle: RePEc:eee:enepol:v:38:y:2010:i:2:p:1157-1167
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    Citations

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    Cited by:

    1. Cai, Hua & Hu, Xiaojun & Xu, Ming, 2013. "Impact of emerging clean vehicle system on water stress," Applied Energy, Elsevier, vol. 111(C), pages 644-651.
    2. Hoekman, S. Kent & Broch, Amber & Liu, Xiaowei (Vivian), 2018. "Environmental implications of higher ethanol production and use in the U.S.: A literature review. Part I – Impacts on water, soil, and air quality," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P2), pages 3140-3158.
    3. Zhu, Yuli & Liang, Ji & Yang, Qing & Zhou, Hewen & Peng, Kun, 2019. "Water use of a biomass direct-combustion power generation system in China: A combination of life cycle assessment and water footprint analysis," Renewable and Sustainable Energy Reviews, Elsevier, vol. 115(C).
    4. Christopher A. Scott & Zachary P. Sugg, 2015. "Global Energy Development and Climate-Induced Water Scarcity—Physical Limits, Sectoral Constraints, and Policy Imperatives," Energies, MDPI, vol. 8(8), pages 1-15, August.

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