**About the Editor**

#### **Wojciech Cieslik**

DEng. Wojciech Cieslik was born in Poznan, Poland, in 1989. He received his engineer and master's degree in specialization of combustion engines at Poznan University of Technology. He defended his doctoral thesis on the conceptual combustion in the surrounding of non-combustible gases with awards from Polish Institute of Combustion and Polish Scientific Society of Combustion Engines.

Since 2015, he was employed as a research assistant in EU projects, and since 2018, he was employed as an assistant professor in the Institute of Combustion Engines and Powertrains. Currently, he is the author of more than 70 scientific articles achieving h-index = 8. His current research focuses on energy transfer in alternative vehicles including hybrids, electric and hydrogen vehicles. He is the associate supervisor for 3 PhD students. He is the supervisor of the PUT Powertrain scientific group, in which students learn about and create alternative propulsion analysis systems.

He is a member of the Polish Scientific Society of Combustion Engines and Polish Institute of Combustion. Work as an editor in journals: Combustion Engines and Marine Technology Bulletin (VETUS). From 2021, he is a Special Issue editor "Energy Transfer in Alternative Vehicles" and "Alternative Powertrains in Urban Mobility, Trends, Challenges and Opportunities in Energy Flow Analysis" in *Energies*.

He is currently working on the development of an alternative propulsion laboratory, and is making modifications to internal combustion engines for hydrogen-burning capabilities. His main interests also include water sports and building wooden boats.
