Publications
RELEVANT PUBLICATIONS
2026
(1) Ayetor, G.K., Baah, B. and Adam, F.W. (2026) 'Empirical characterization and profitability assessment of a grid-tied solar-hybrid electric vehicle charging station in Sub-Saharan Africa', Energy Conversion and Management: X, 32, p. 102327. doi:10.1016/j.ecmx.2026.102327.
(2) Thango, B.A. and Ayetor, G.K. (2026) 'City-Scale Optimization of Public Electric Vehicle Charging Infrastructure: Spatio-Temporal Demand Forecasting, Graph Learning and Multi-Objective Siting', World Electric Vehicle Journal, 17(9), p. 479. doi:10.3390/wevj17090479.
(3) Wetajega, S.D., Ayetor, G.K., Kadri, S.M., Opoku, R., Effah, F.B., Rosner, P. and Sekyere, C.K. (2026) 'Assessing the Technical Readiness of Ghana's Distribution Grid for Electric Vehicle Integration: A Case Study Revealing Transformer Overload and Harmonic Violations', Results in Engineering, 30, p. 110922. doi:10.1016/j.rineng.2026.110922.
(5) Aidam, G.S.K., Opoku, R., Davis, F., Adjei, E.A., Oppong, D.K., Sekyere, C.K.K., Ayetor, G.K.K. and Koueviya, P. (2026) 'A multi-modal assessment of electric mobility for sustainable intercity transport in emerging economies: A case of Ghana', African Transport Studies, 4, p. 100093. doi:10.1016/j.aftran.2026.100093.
(6) Boahen, S., Alhassan, I.A., Amoabeng, K.O., Choi, J.M., Sekyere, C.K.K. and Ayetor, G.K.K. (2026) 'Experimental analysis and control of secondary fluid flow rate in a cascade dual-purpose heat pump', Applied Thermal Engineering, 292(Part 2), p. 130399. doi:10.1016/j.applthermaleng.2026.130399.
(7) Boateng, B., Ayetor, G.K., Kwame, A.O., Baalayel, C.M., Afedziwaa, C.R., Okyere, F.M.A., Abane, W.D. and Ansah, P.O. (2026) 'Design, Fabrication and Performance Analysis of a Modular Electric Vehicle for Campus Logistics', in 2026 IEEE International Workshop on Metrology for Automotive (MetroAutomotive). IEEE, pp. 19–24. doi:10.1109/metroautomotive69354.2026.11644649.
(8) Ka, I., Djité, A.N., Chimére Diop, S.A., Ayetor, G.K. and Diouf, B. (2026) 'The Electric Vehicle Transition in Emerging Economies', Vehicles, 8(2), p. 37. doi:10.3390/vehicles8020037.
(9) Rosner, P., Gartner, L.A., Ayetor, G.K., Götz, K. and Lienkamp, M. (2026) 'Get the biggest fish to fry: Assessing commercial operators' barriers towards electric vehicle adoption in urban and rural sub-Saharan Africa', African Transport Studies, 4, p. 100069. doi:10.1016/j.aftran.2025.100069.
(10) Opare, S., Ayetor, G.K., Nyumutsu, J., Afari, A.A. and Andoh, P.Y. (2026a) 'Comparative Performance of New and Remanufactured Lithium-Ion EV Battery Packs in Ghana', Journal of Engineering Research and Reports, 28(6), pp. 86–106. doi:10.9734/jerr/2026/v28i61915.
2025
(11) Ayetor, G.K., Ativor, A., Kesse, M.A., Tawiah, P.O., Diouf, B., Opare, S., Agyekum, E.B. and Andoh, P.Y. (2025) 'Realistic assessment of electric vehicle policies in Africa: a case study of Ghana', Case Studies on Transport Policy, 21, p. 101500. doi:10.1016/j.cstp.2025.101500.
(12) Ayetor, G.K., Dugbenu, J., Duah, A.A., Adewe, C., Agyei, E.A., Affenyi, E., Peasah, G.M. and Nartey, T.T. (2025) 'Assessing fuel economy and tailpipe emissions of road vehicles in Ghana', African Transport Studies, 3, p. 100040. doi:10.1016/j.aftran.2025.100040.
(13) Opare, S., Ayetor, G.K., Seth, R.B., Kwashiegah, F. and Andoh, P.Y. (2025) 'Assessing the Profitability of a Remanufactured Electric Vehicle Battery Pack', Journal of Engineering Research and Reports, 27(11), pp. 466–479. doi:10.9734/jerr/2025/v27i111715.
(14) Quayson-Sackey, E., Nyantekyi-Kwakye, B. and Ayetor, G.K. (2025) 'Technological advancements for anti-icing and de-icing offshore wind turbine blades', Cold Regions Science and Technology, 231, p. 104400. doi:10.1016/j.coldregions.2024.104400.
2024
(15) Agyekum, E.B., Odoi-Yorke, F., Abbey, A.A. and Ayetor, G.K. (2024) 'A review of the trends, evolution, and future research prospects of hydrogen fuel cells – A focus on vehicles', International Journal of Hydrogen Energy, 72, pp. 918–939. doi:10.1016/j.ijhydene.2024.05.480.
(16) Ayetor, G.K., Nyarko, F.K. and Andoh, P.Y. (2024) 'Achieving Cost Parity for Battery Electric Vehicles in Africa: a case study of Ghana', Transportation Letters, 16(2), pp. 144–156. doi:10.1080/19427867.2023.2168348.
(17) Gautam, P., Pode, G., Pode, R., Ayetor, G.K. and Diouf, B. (2024) 'Depreciation in the Electric Vehicle Transition: Sustainability of the Second-Hand Electric Vehicle Market', Vehicles, 6(4), pp. 2044–2074. doi:10.3390/vehicles6040101.
(18) Tettehfio, E.O., Andoh, P.Y., Atombo, C., Sekyere, C.K.K. and Ayetor, G.K. (2024) 'Assessing the Safety of Auto-Rickshaws Used as Public Transport in Ghana', Advanced Engineering Forum, 53, pp. 63–82. doi:10.4028/p-lzqg3w.
2023
(19) Adjei, F., Sperling, D., Atia-Abugbilla, I., Anokye, A., Appiah, J., Ayetor, G.K. and Severengiz, S. (2023) 'Converted and Shared Light Electric Vehicles in Ghana: A Technical and Economic Analysis Based on Converted ICE Motorbikes and e-mopeds', in Manufacturing Driving Circular Economy: Proceedings of the 18th Global Conference on Sustainable Manufacturing, October 5–7, 2022, Berlin (Lecture Notes in Mechanical Engineering). Cham: Springer, pp. 1027–1036. doi:10.1007/978-3-031-28839-5_114.
(20) Ayetor, G.K., Dzebre, D.K.E., Mensah, L.D., Boahen, S., Amoabeng, K.O. and Tay, G.F.K. (2023) 'Comparing the Cost per Mile of Electric Vehicles and Internal Combustion Engine Vehicles in Ghana', Transportation Research Record, 2677(5), pp. 682–693. doi:10.1177/03611981221135804.
(21) Ayetor, G.K., Mashele, J. and Mbonigaba, I. (2023) 'The progress toward the transition to electromobility in Africa', Renewable and Sustainable Energy Reviews, 183, p. 113533. doi:10.1016/j.rser.2023.113533.
(22) Ayetor, G.K., Mbonigaba, I. and Mashele, J. (2023) 'Feasibility of Electric Two and Three-Wheelers in Africa', Green Energy and Intelligent Transportation, 2(4), p. 100106. doi:10.1016/j.geits.2023.100106.
(23) Boahen, S., Ofori-Amanfo, K.B., Amoabeng, K.O., Ayetor, G.K., Obeng, G.Y., Opoku, R. and Dzebre, D.E. (2023) 'Fault detection model for a variable speed heat pump', Journal of Engineering and Applied Science, 70(1), p. 48. doi:10.1186/s44147-023-00216-6.
(24) Opoku, R., Ahunu, B., Ayetor, G.K.K., Ayitey, D.T., Uba, F., Asiedu, N. and Obeng, G.Y. (2023) 'Unlocking the potential of solar electric vehicles for post-COVID recovery and growth in the transport sector in Ghana', Scientific African, 20, p. e01583. doi:10.1016/j.sciaf.2023.e01583.
(25) Sunnu, A.K., Adu-Poku, K.A. and Ayetor, G.K. (2023) 'Production and characterization of charred briquettes from various agricultural waste', Combustion Science and Technology, 195(5), pp. 1000–1021. doi:10.1080/00102202.2021.1977803.
(26) Sunnu, A.K., Ayetor, G.K. and Gaye, J.M. (2023) 'Straight vegetable oil fuel performance and exhaust emissions under turbocharged and naturally aspirated conditions', Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 45(3), pp. 8408–8418. doi:10.1080/15567036.2019.1677822.
2022
(27) Adjei, E.A., Amoabeng, K.O., Ayetor, G.K.K., Obeng, G.Y., Quansah, D.A. and Adusei, J.S. (2022) 'Assessing the impact of hydro energy project on poverty alleviation: The case of Bui Dam in Ghana', Energy Policy, 170, p. 113227. doi:10.1016/j.enpol.2022.113227.
(28) Andoh, P.Y., Ayetor, G.K., Amoabeng, K.O. and Sackey, M.N.S. (2022) 'Assessment of Automobile Engines Rebuilt at Local Artisan Workshops in Ghana', Journal of Applied Engineering and Technological Science (JAETS), 3(2), pp. 53–66. doi:10.37385/jaets.v3i2.314.
(29) Ayetor, G.K. (2022) 'Towards Net Zero Electric Vehicle Emissions in Africa', Current Sustainable/Renewable Energy Reports, 9(4), pp. 70–76. doi:10.1007/s40518-022-00204-z.
(30) Ayetor, G.K., Opoku, R., Sekyere, C.K.K., Agyei-Agyeman, A. and Deyegbe, G.R. (2022) 'The cost of a transition to electric vehicles in Africa: A case study of Ghana', Case Studies on Transport Policy, 10(1), pp. 388–395. doi:10.1016/j.cstp.2021.12.018.
(31) Ayetor, G.K., Sunnu, A.K. and Kesse, M.A. (2022) 'Engine performance and emissions of fuel produced from palm kernel oil', Biofuels, 13(2), pp. 211–217. doi:10.1080/17597269.2019.1672006.
2021
(32) Andoh, P.Y., Sekyere, C.K.K., Ayetor, G.K. and Sackey, M.N.S. (2021) 'Fabrication and Testing of a Low-Cost Wind Turbine Blade using Bamboo Reinforced Recycled Plastic', Journal of Applied Engineering and Technological Science (JAETS), 2(2), pp. 125–138. doi:10.37385/jaets.v2i2.212.
(33) Ayetor, G.K., Mbonigaba, I., Ampofo, J. and Sunnu, A. (2021) 'Investigating the state of road vehicle emissions in Africa: A case study of Ghana and Rwanda', Transportation Research Interdisciplinary Perspectives, 11, p. 100409. doi:10.1016/j.trip.2021.100409.
(34) Ayetor, G.K., Mbonigaba, I., Sackey, M.N. and Andoh, P.Y. (2021) 'Vehicle regulations in Africa: Impact on used vehicle import and new vehicle sales', Transportation Research Interdisciplinary Perspectives, 10, p. 100384. doi:10.1016/j.trip.2021.100384.
(35) Ayetor, G.K., Mbonigaba, I., Sunnu, A.K. and Nyantekyi-Kwakye, B. (2021) 'Impact of replacing ICE bus fleet with electric bus fleet in Africa: A lifetime assessment', Energy, 221, p. 119852. doi:10.1016/j.energy.2021.119852.
(36) Hatsu, J.K., Sunnu, A.K., Ayetor, G.K. and Takyi, G. (2021) 'Investigation of shell mold casting technique in Ghana using indigenous materials', Scientific African, 14, p. e01052. doi:10.1016/j.sciaf.2021.e01052.
(37) Liu, H., Kaewunruen, S., Ahmad, W.N.K., Shamsuddin, A., Ayetor, G.K., Hansson, J. and Bräunl, T. (2021) 'A net-zero future for freight', One Earth, 4(11), pp. 1517–1519. doi:10.1016/j.oneear.2021.11.001.
2020
(38) Ayetor, G.K., Quansah, D.A. and Adjei, E.A. (2020) 'Towards zero vehicle emissions in Africa: A case study of Ghana', Energy Policy, 143, p. 111606. doi:10.1016/j.enpol.2020.111606.
(39) Kesse, M.A., Buah, E., Handroos, H. and Ayetor, G.K. (2020) 'Development of an artificial intelligence-powered TIG welding algorithm for the prediction of bead geometry for TIG welding processes using hybrid deep learning', Metals, 10(4), p. 451. doi:10.3390/met10040451.
2017
(40) Ayetor, G.K., Sunnu, A.K. and Gyamfi, G.B. (2017) 'Idling effect of injection pressure and timing and their effects on performance and emissions of a compression ignition engine fuelled with biodiesel', Biofuels, 8(3), pp. 333–338. doi:10.1080/17597269.2016.1231950.
2016
(41) Ayetor, G.K., Duodu, E. and Abban, J. (2016) 'Effects of Energy Storage Systems on Fuel Economy of Hybrid-Electric Vehicles', International Journal of Technology and Management Research, 1(5), pp. 14–23. doi:10.47127/ijtmr.v1i5.39.
(42) Ayetor, G.K., Parbey, J. and Osei, G. (2016) 'Durability studies of an indirect diesel engine run on raw palm kernel oil', International Journal of Technology and Management Research, 1(5), pp. 42–50. doi:10.47127/ijtmr.v1i5.42.
2015
(43) Ayetor, G.K. and Sunnu, A.K. (2015) 'Engine performance of biodiesel-biodiesel blends at varying engine speeds', African Journal of Science, Technology, Innovation and Development, 7(6), pp. 500–508. doi:10.1080/20421338.2015.1094236.
(44) Ayetor, G.K., Sunnu, A. and Parbey, J. (2015a) 'Effect of biodiesel production parameters on viscosity and yield of methyl esters: Jatropha curcas, Elaeis guineensis, and Cocos nucifera', Alexandria Engineering Journal, 54(4), pp. 1285–1290. doi:10.1016/j.aej.2015.09.011.
(45) Ayetor, G.K., Sunnu, A. and Parbey, J. (2015b) 'Performance evaluation of biodiesel-biodiesel blends in a dedicated CIDI engine', International Journal of Renewable Energy Research (IJRER), 5(1), pp. 168–176.
(46) Sunnu, A., Ayetor, G.K. and Parbey, J. (2015) 'Effect of injection pressure and timing on biodiesel fuelled engine', Journal of Automobile Engineering (jaue), 5(1), pp. 1–18.
2014
(47) Parbey, J., Osei, G., Arthur, R. and Ayetor, G.K. (2014) 'Bioethanol potential from oil palm sap in Ghana', International Journal of Renewable Energy Research (IJRER), 4(1), pp. 54–60.
2013
(48) Ayetor, G.K., Gyamfi, G.B. and Larnor, E.T. (2013) 'Drive Cycle Performance of Hybrid-Electric Vehicles', International Journal of Technology and Management Research, 1(2), pp. 1–6. doi:10.47127/ijtmr.v1i2.16.
Selected Project Reports
1. Market Opportunity Study On Electric Vehicle Charging Stations In Ghana - UNDP
2. Ghana Electric Vehicle Baseline Survey 2022 - Energy Commission
3. National E-Mobility Roadmap for Sao Tome & Principe - UNIDO
4. Fuel Economy Roadmap for Sao Tome & Principe - UNIDO
5. Enhancing Ghanas E-Mobility Industry – Opportunities for Green SME’s and Essential Policy Reforms - Ghana Climate Innovation Centre.
6. Development of Electric Vehicle and Charging Equipment Standards and Implementation Framework for the Pacific — Global Green Growth Institute (GGGI), for MicoEnergy International GmbH — GEF-8 / UNEP-funded | Fiji, Solomon Islands, Vanuatu