On April 3rd-7th, 2023 the Head of the Department of Automotive Transport Engineering, lecturer P. Kaikaris and lecturer D. Kriaučiūnas at Vilnius College of Technologies and Design, visited Sofia Technical University under the Erasmus+ programme. During the visit, the lecturers inspected the equipment of the University’s Aeronautics and Transport Faculties, the laboratories where models of reduced-scale helicopters are studied in the wind tunnel, the construction and operational parameters of cars are examined, and they discussed the possibilities of cooperation. The lecturers gave lectures on car fuel, exhaust gas neutralization systems, engine tests and trends in the development of hybrid and electric cars.