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Diesel vehicles and sustainable mobility in the U.S

Author

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  • Wallington, T.J.
  • Lambert, C.K.
  • Ruona, W.C.

Abstract

Concerns regarding global warming and energy security have increased the importance of decreasing emissions of CO2 from vehicles. Diesel vehicles have higher fuel economy and lower CO2 emissions than their gasoline counterparts. On a well-to-wheels per vehicle per km basis it has been estimated that diesel light-duty vehicles in 2015 will emit 14–27% less CO2 than their gasoline counterparts. We estimate here that on a gCO2/kWh at peak torque, diesel medium-duty vehicles currently have an approximately 10% CO2 advantage over their gasoline counterparts. At light and moderate loads the CO2 advantage for medium-duty diesels with SCR after-treatment will be greater than 10% (reflecting pumping losses when gasoline engines are operated at low and moderate loads). Emission of NOx, HCs, and PM from diesel (and gasoline) vehicles has decreased substantially over the past decade and further reductions are anticipated in the future. In addition to the heavy-duty segment, which diesels currently dominate, modern diesel engines are likely to continue to play an important role in the medium-duty segment, and perhaps also in the light-duty segment in a transition to more sustainable mobility.

Suggested Citation

  • Wallington, T.J. & Lambert, C.K. & Ruona, W.C., 2013. "Diesel vehicles and sustainable mobility in the U.S," Energy Policy, Elsevier, vol. 54(C), pages 47-53.
  • Handle: RePEc:eee:enepol:v:54:y:2013:i:c:p:47-53
    DOI: 10.1016/j.enpol.2011.11.068
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    Cited by:

    1. Yi-Xuan Gao & Hua Liao & Paul J. Burke & Yi-Ming Wei, 2015. "Road transport energy consumption in the G7 and BRICS: 1973-2010," International Journal of Global Energy Issues, Inderscience Enterprises Ltd, vol. 38(4/5/6), pages 342-356.
    2. Behdad Shadidi & Gholamhassan Najafi & Talal Yusaf, 2021. "A Review of Hydrogen as a Fuel in Internal Combustion Engines," Energies, MDPI, vol. 14(19), pages 1-20, September.
    3. Romanika Okraszewska & Aleksandra Romanowska & Marcin Wołek & Jacek Oskarbski & Krystian Birr & Kazimierz Jamroz, 2018. "Integration of a Multilevel Transport System Model into Sustainable Urban Mobility Planning," Sustainability, MDPI, vol. 10(2), pages 1-20, February.
    4. Othman, Mohd Fahmi & Adam, Abdullah & Najafi, G. & Mamat, Rizalman, 2017. "Green fuel as alternative fuel for diesel engine: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 694-709.
    5. Mwangi, John Kennedy & Lee, Wen-Jhy & Chang, Yu-Cheng & Chen, Chia-Yang & Wang, Lin-Chi, 2015. "An overview: Energy saving and pollution reduction by using green fuel blends in diesel engines," Applied Energy, Elsevier, vol. 159(C), pages 214-236.
    6. Rosal, Ignacio del, 2022. "European dieselization: Policy insights from EU car trade," Transport Policy, Elsevier, vol. 115(C), pages 181-194.
    7. E, Jiaqiang & Pham, Minhhieu & Zhao, D. & Deng, Yuanwang & Le, DucHieu & Zuo, Wei & Zhu, Hao & Liu, Teng & Peng, Qingguo & Zhang, Zhiqing, 2017. "Effect of different technologies on combustion and emissions of the diesel engine fueled with biodiesel: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 620-647.

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