In the light of the visit of the KTH Royal Institute of Technology to the faculty of Engineering, Prof. Björn Palm, a KTH delegate, paid a two-day visit to the Mechanical Engineering Department on 3-4 March 2019 where he gave two lectures for the senior students of the Power Engineering Programme. The first lecture was about the natural refrigerants and other low GWP refrigerants. It was considered an addition to the students’ prior knowledge in the course of the Air Conditioning Systems. As for the second lecture, it gave an overview of new and renewable energy in terms of storage and the forms and types used in Sweden and Egypt.