MVM 2021 - Volume 47 - Number 2 TOWARDS ZERO EMISSION: ARE E-FUELS A PROMISING OPTION? Ralph Pütz Mobility and Vehicle Mechanics, vol. 47, no. 2, 1-14, 2021. ELECTRIC AND HYBRID VEHICLES: ARE WE READY FOR THE NEW MOBILITY ERA? Giovanni Belingardi, Nicola Amati, Angelo Bonfitto Mobility and Vehicle Mechanics, vol. 47, no. 2, pp. 15-33, 2021. THE APPLICATION OF INDUSTRY 4.0 IN PRODUCTION PROCESSES OF THE AUTOMOTIVE INDUSTRY Isak Karabegović, Edina Karabegović, Mehmed Mahmić, Ermin Husak Mobility and Vehicle Mechanics, vol. 47, no. 2, pp. 35-44, 2021. ANALYSIS OF INFLUENCING FACTORS ON BRAKE WEAR AND NON-EXHAUST EMISSION WITH REFERENCE TO APPLIED MATERIALS IN BRAKE PADS Saša Vasiljević, Jasna Glišović, Blaža Stojanović, Nadica Stojanović, Ivan Grujić Mobility and Vehicle Mechanics, vol. 47, no. 1, pp. 45-59, 2021. APPLICATION OF PLAIN BEARINGS WITH CONTROLLED WEAR ON AUTOMOTIVE VEHICLES Alexander Novikov, Alexey Rodichev Mobility and Vehicle Mechanics, vol. 47, no. 2, pp. 61-71, 2021.