A special issue of Machines (ISSN 2075-1702). Special Issue Editor Guest Editor Prof. Dr. Paul Stewart School of Engineering, University of Lincoln, Brayford Pool, Lincoln, LN6 7TS, UK Website: http://www.lincoln.ac.uk/engineering E-Mail: pstewart@lincoln.ac.uk Phone: +44 (0)1522 837 913 Interests: power and energy; systems modeling and optimisation; electrical machines and drives; advanced fuels and combustion; control and simulation; […]