Mukhitdinov, A., Turgunov, D., Numanov, M.- shokhrukhbek and Ravshanbekov, J. 2025. Evaluation of the influence of the catalyst on the quantity of exhaust gases. Journal of Transport. 2, 2 (Jun. 2025), 177-181. DOI:https://doi.org/10.56143/jot-journal.v2i2.285.