University of Ljubljana (UL) is the oldest and largest higher education and scientific research institutions in Slovenia. It ranks among the top 3% of universities in the world. It has approximately 41,000 undergraduate and postgraduate students and employs approximately 6,000 higher education teachers, researchers, assistants, and administrative staff in 23 faculties with Faculty of Mechanical Engineering as one of the faculty. The vision Faculty of Mechanical Engineering is to become the premiere teaching and research faculty for mechanical engineering in Slovenia and Southeast Europe while maintaining the highest educational and professional standards. Research team from the University of Ljubljana, Faculty of Mechanical Engineering is a leading team in Slovenia for life cycle assessment methodology, hydrogen economy, hydrogen experimental research, and theoretical and applied thermodynamic analyses of energy conversion systems. Research group is involved in the international and national research projects with extensive cooperation with Slovenian industry, research institutes and government institutions.