Key research areas

• Decision Support Systems
• Sustainable Development
• Energy Policy
• Transport Policy

Projects

The Fuel Science Center – Adaptive Conversion Systems for Renewable Energy and Carbon Sources
Funding: German Research Foundation (DFG)

SupplHyInno Rhineland, the Hydrogen Clusters4Future initiative – Innovationsbegleitende Maßnahmen für eine nachhaltige Wasserstoffwirtschaft im Rheinland: Dezentrale Ökosysteme und die Rolle der Zulieferindustrie im Zusammenspiel von Mensch, Umwelt und Wirtschaft
Funding: Clusters4Future (Clusters 4 Future)

Publications

Ebadi Torkayesh, S., & Venghaus, S. 2025. Market diffusion of Power-to-X fuels in Germany: A cognitive approach with robust reasoning for policy support. Applied Energy. doi.org/10.1016/j.apenergy.2024.124616

Vera, J. P., Torkayesh, A. E., & Venghaus, S. (2025). An expert-based evaluation of fuel alternatives for green road passenger transport in Germany. Case Studies on Transport Policy, 101502.doi.org/10.1016/j.cstp.2025.101502

Elhüseyni, M., Celebi, E., Şahin, G., Ebadi Torkayesh, A., & Yılmaz, E. (2025). Cut-based matheuristic algorithms to detect tacit collusion in deregulated electricity markets. Energy Sources, Part B: Economics, Planning, and Policy, 20(1), 2456062.doi.org/10.1080/15567249.2025.2456062

Vorwerg, F. C., Ebadi Torkayesh, A., & Venghaus, S. (2025). From fossil fuels to alternative fuels: strategy development for a sustainable transport sector in Germany. Energy, Sustainability and Society, 15(1), 4.doi.org/10.1186/s13705-024-00498-5

Hendiani, S., Torkayesh, A. E., Venghaus, S., & Walther, G. (2025). Leading the green charge: A novel type-2 fuzzy VIKOR method applied to eco-conscious freight transport. Expert Systems with Applications, 128082.doi.org/10.1016/j.eswa.2025.128082

Ebadi Torkayesh, S., & Venghaus, S. 2024. Germany’s Power-to-X policy for climate-neutral transport. Energy.doi.org/10.1016/j.energy.2024.134020

Ebadi Torkayesh, S., & Venghaus, S. 2024. Fueling the future: Overcoming the barriers to market development of renewable fuels in Germany using a novel analytical approach. European Journal of Operational Research. doi.org/10.1016/j.ejor.2024.02.039

Ebadi Torkayesh, S., & Venghaus, S. 2024. Decoding the transport policy maze towards climate neutrality: Cross-sectoral policy landscapes. Renewable and Sustainable Energy Reviews. doi.org/10.1016/j.rser.2024.114865

Conference Posters & Proceedings

Venghaus, S., Lubjuhn, S., Siekmann, F., Sota, R., Torkayesh, A. E., Stark, S. August, 2024. Proactive Policy
Advice – The Potential of Machine Learning for Predictive Policy Scenario Generation. Applied Energy Symposium: MITAB, Cambridge, USA.

Torkayesh, A. E., Hendiani, S., Walther, G. & Venghaus, S. July, 2024. Renewable Fuels in Transport: An Analysis of Market Development Barriers. 33rd European Conference on Operational Research, Copenhagen, Denmark

Venghaus, S., Rohner, J.J. & Torkayesh, A. E. July, 2024. Toward Climate-neutral Aviation – The Market Adoption of Sustainable Aviation Fuels using Agent-based Modeling. 33rd European Conference on Operational Research, Copenhagen, Denmark.

Vatankhah Ghadim, H., Torkayesh, A. E., Haas, J., Peer, R., Walther, G., Venghaus, S. July, 2024. Green Skies Ahead: Streamlining the Sustainable Aviation Fuel Supply Chain in New Zealand. 33rd European Conference on Operational Research, Copenhagen, Denmark.

Torkayesh, A. E. & Hendiani, S., Walther, G., Venghaus, S. June, 2024. Renewable Fuels for Freight Transport: Sustainability Principles & Market Barriers. 12th International Conference “Fuel Science: From Production to Propulsion”, Aachen, Germany.

Torkayesh, A. E. & Venghaus, S. July, 2023. Towards Climate Neutrality in Germany: A Multi-objective Policy Optimization for Renewable Fuels in Transport Sector. 23rd Conference of the International Federation of Operational Research Societies, Santiago, Chile.

Torkayesh, A. E. & Venghaus, S. May, 2023. Cross-Sectoral Policy Coherence and its Impact on Climate Neutrality in the German Transport Sector. 11th International Conference “Fuel Science: From Production to Propulsion”, Aachen, Germany.

Torkayesh, A. E. & Venghaus, S. May, 2022. Market Diffusion of Bio-hybrid Fuels in the Mobility Sector of
Germany: A Fuzzy Cognitive Mapping Approach. 10th International Conference “Fuel Science: From Production to Propulsion”, Aachen, Germany.

Teaching

WS & SS 2021-ongoing: Supervision of scientific theses

Supervised theses

MA: Sustainable Aviation in Europe – Navigating Transformation within a Regulated Competitive Landscape.

MA: Stakeholders’ Perception of Circular Economy in Mobility Sector of Germany.

MA: Towards Climate Neutrality by 2045: Fuel Planning for the Future Road Passenger Mobility Sector of Germany.

BA: Germany’s transformation towards a CO2 neutral economy – The role of fossil fuels in the sustainable transportation sector.