Life Cycle Energy Consumption and Air Emissions Comparison of Alternative and Conventional Bus Fleets in Vietnam

Le Quyen Luu (), Eleonora Riva Sanseverino, Maurizio Cellura, Hoai-Nam Nguyen, Hoai-Phuong Tran and Hong Anh Nguyen
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Le Quyen Luu: Department of Engineering, University of Palermo, Viale delle Scienze Bld. 9, 90128 Palermo, Italy
Eleonora Riva Sanseverino: Department of Engineering, University of Palermo, Viale delle Scienze Bld. 9, 90128 Palermo, Italy
Maurizio Cellura: Department of Engineering, University of Palermo, Viale delle Scienze Bld. 9, 90128 Palermo, Italy
Hoai-Nam Nguyen: Institute of Energy Science, Vietnam Academy of Science and Technology, A9 Bld., 18 Hoang Quoc Viet, Cau Giay District, Hanoi 10072, Vietnam
Hoai-Phuong Tran: Institute of Energy Science, Vietnam Academy of Science and Technology, A9 Bld., 18 Hoang Quoc Viet, Cau Giay District, Hanoi 10072, Vietnam
Hong Anh Nguyen: Institute of Energy Science, Vietnam Academy of Science and Technology, A9 Bld., 18 Hoang Quoc Viet, Cau Giay District, Hanoi 10072, Vietnam

Energies, 2022, vol. 15, issue 19, 1-15

Abstract: The study (a) assesses the life cycle energy consumption and air emissions impacts of battery electric buses (e-buses) and conventional buses operated in Vietnam, and (b) compares them with those of hydrogen buses. The results indicate that e-buses and hydrogen buses are preferred options compared to conventional buses in terms of energy consumption, GHG emissions and other air quality impacts over their whole life cycle. Life cycle energy consumption of diesel buses is triple that of e-buses, and is significantly higher than that of hydrogen buses. Replacing conventional buses with e-buses can reduce energy consumption by 50%. For GHG emissions and air quality impacts, the adoption of electric and hydrogen mobility in replacement of conventional buses will reduce GHG emissions by 39%, and other impacts related to air quality by 13% to 90%.

Keywords: e-bus; hydrogen bus; energy consumption; GHG emissions; air quality; LCA (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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