“EXAMINATION OF POSSIBILITIES OF AIR QUALITY INCREASING IN CITIES USING FREIGHT VEHICLES WITH AN ECOLOGY TYPE OF DRIVE”, PC, vol. 14, no. 1, pp. 6–13, Apr. 2019, Accessed: Mar. 05, 2026. [Online]. Available: https://pernerscontacts.upce.cz/index.php/perner/article/view/392