The E + team from the University of Ruse participated in the May holidays of science and in the 4th Innovative Youth Expo on May 13, 2019 in Rousse with:
 - demonstration of HydRU (urban prototype car powered by hydrogen);
 - potential opportunities for construction of a Laboratory for Low Carbon Energy and Intelligent Systems in Transport at the University of Ruse;
 - diagram of the Hydrogen FC Test RU booth designed to display the load characteristics of hydrogen cells.