**About the Editors**

**Maria do Ros ´ario Alves Calado** is currently Assistant Professor with the Department of Electromechanical Engineering, University of Beira Interior, and a researcher at the Instituto de Telecomunicac¸oes (IT), Covilh ˜ a, Portugal. She received her electrical engineering degree from the ˜ Instituto Superior Tecnico (IST), Lisbon, Portugal, in 1991, and her MSc equivalent degree, her PhD ´ degree and habilitation from University of Beira Interior, Covilha, Portugal, in 1996, 2002 and ˜ 2019, respectively. Her research interests include power systems optimization and control, energy conversion systems, renewable energy and energy harvesting and electric road vehicles. She has about a hundred scientific publications.

**Jorge Miguel dos Reis Silva** graduated in Electronics and Telecommunications Marine Systems Engineering. He has an MSc in Operations Research and Systems Engineering, and a PhD in Transportation. He has been professionally active since 1979: Merchant Navy Officer (1979/1997), Aeronautical Telecommunications Technician (1988/1995), and Professor at University of Beira Interior (UBI), (since 1995). He is Assistant Professor at the Aerospace Sciences Department (DCA) of UBI, and Full Researcher at the Institute for Research and Innovation in Civil Engineering for Sustainability (CERis). He was President of Scientific Council of DCA of UBI between 2006/2009. His scientific activity interests and areas are Economy and Management of Air Transport, Aircraft Operations, Flight Safety/Security, and Operations Research.
