Our Experts

Journal Articles

1. Youngeun Bae, Craig R. Rindt, Suman Kumar Mitra and Stephen G. Ritchie (2024) “Fleet operator perspectives on alternative fuels for heavy-duty vehicles”, Transport Policy, 149, pp. 36–48. Available at: 10.1016/j.tranpol.2024.01.023. [ITS-Irvine record]
2. Youngeun Bae, Craig Ross Rindt, Suman Kumar Mitra and Stephen G. Ritchie (2023) “Fleet Operator Perspectives on Heavy-duty Vehicle Alternative Fueling Infrastructure”, Transportation Research Record: Journal of the Transportation Research Board, 2678(1). Available at: 10.1177/03611981231171150. [ITS-Irvine record]
3. Youngeun Bae, Suman Kumar Mitra, Craig R. Rindt and Stephen G. Ritchie (2022) “Factors influencing alternative fuel adoption decisions in heavy-duty vehicle fleets”, Transportation Research Part D: Transport and Environment, 102, p. 103150. Available at: 10.1016/j.trd.2021.103150. [ITS-Irvine record]
4. Suman Kumar Mitra, Youngeun Bae and Stephen G. Ritchie (2019) “Use of Ride-Hailing Services among Older Adults in the United States”, Transportation Research Record, 2673(3), pp. 700–710. Available at: 10.1177/0361198119835511. [ITS-Irvine record]

Conference Papers

1. Youngeun Bae, Craig R Rindt and Stephen Ritchie (2025) “Charging Infrastructure Decisions by Heavy-Duty Vehicle Fleet Operators: An Exploratory Analysis”, in Proceedings, 104th Annual Meeting of the Transportation Research Board. Washington, D.C.. Available at: https://escholarship.org/uc/item/5cf1w75g. [ITS-Irvine record]
2. Youngeun Bae, Stephen Ritchie and Craig R Rindt (2025) “A Choice Experiment Survey of Drayage Fleet Operator Preferences for Zero-Emission Trucks”, in Proceedings, 104th Annual Meeting of the Transportation Research Board. Washington, D.C.. [ITS-Irvine record]
3. Youngeun Bae, Stephen Ritchie and Craig R Rindt (2025) “Small and Large Fleet Perceptions on Zero-Emission Trucks and Policies”, in Proceedings, 104th Annual Meeting of the Transportation Research Board. Washington, D.C.. [ITS-Irvine record]
4. Youngeun Bae, Craig R. Rindt, Suman Mitra and Stephen G. Ritchie (2023) “Fleet Operator Perspectives on Heavy-duty Vehicle Alternative Fueling Infrastructure”. 102nd Transportation Research Board Annual Meeting 2023. [ITS-Irvine record]
5. Youngeun Bae, Craig R Rindt, Suman K. Mitra and Stephen G. Ritchie (2021) “Perspectives on Viable Alternative Fuels for Heavy-duty Vehicles in 2030s: Qualitative Interviews with California Fleet Operators”. 100th Transportation Research Board (TRB) Annual Meeting, Washington, DC. [ITS-Irvine record]
6. Youngeun Bae and Craig R Rindt (2021) “Organizational Decision-making Processes of Alternative Fuel Adoption: An Empirical Study with Heavy-duty Vehicle Fleets in California”. 100th Transportation Research Board (TRB) Annual Meeting, Washington, DC. [ITS-Irvine record]
7. Youngeun Bae, Suman Kumar Mitra, Craig Ross Rindt and Stephen G. Ritchie (2019) “Factors influencing alternative fuel adoption decisions in heavy-duty vehicle fleets in California”, in The 98th annual meeting of the transportation research board. [ITS-Irvine record]

Theses and Dissertations

1. Youngeun Bae (2021) Alternative Fuel Adoption Behavior of Heavy-duty Vehicle Fleets. Ph.D.. UC Irvine. Available at: https://escholarship.org/uc/item/8837p750 (Accessed: October 12, 2023). [ITS-Irvine record]

Technical Reports

1. Craig Rindt, Youngeun Bae, Junhyeong Park, Mariana Sebastiani, Sina Dabagh, Stephen Ritchie and Suman Mitra (2022) Natural Gas Vehicle Incentive Program. Final Report CEC-600-14-006-24. California Energy Commision / Intitute of Transportation Studies, UC Irvine. Available at: https://www.energy.ca.gov/sites/default/files/2024-04/CEC-600-2024-024.pdf. [ITS-Irvine record]

Policy Briefs

1. Stephen Ritchie, Youngeun Bae and Craig Rindt (2025) Navigating the Shift: Critical Insights of California Fleet Operators into Zero-Emission Technologies. Policy Brief. UC ITS. Available at: https://doi.org/10.7922/g2pg1q3r. [ITS-Irvine record]
2. Youngeun Bae, Craig Rindt and Stephen Ritchie (2025) What Matters Most to Drayage Companies When Considering a Zero-Emission Truck: Insights from Small and Large Fleet Operators. Policy Brief. UC ITS. Available at: https://doi.org/10.7922/g2dz06np. [ITS-Irvine record]

Preprints

1. Youngeun Bae, Craig Rindt, Stephen Ritchie (2025) Small and Large Fleet Perceptions on Zero-emission Trucks and Policies. Available at: https://escholarship.org/uc/item/3xq588x4. [ITS-Irvine record]
2. Youngeun Bae, Craig R. Rindt, Suman Mitra and Stephen G. Ritchie (2022) “Fleet Operator Perspectives on Alternative Fuels for Heavy-Duty Vehicles”. Rochester, NY: SSRN. Available at: https://papers.ssrn.com/abstract=4253440 (Accessed: October 5, 2023). [ITS-Irvine record]

Other

1. Youngeun Bae (2023) “Getting Heavy-Duty Vehicle Fleets to Net-Zero”, Transfers Magazine. Available at: https://transfersmagazine.org/magazine-article/issue-11/getting-heavy-duty-vehicle-fleets-to-net-zero/ (Accessed: October 5, 2023). [Other] [ITS-Irvine record]