Research on the economic efficiency of using biogas fuel with commodity gasoline in the 7th generation hbo power supply system. ADVANCES IN MECHANICAL ENGINEERING AND TRANSPORT, [S. l.], v. 1, n. 26, 2026. DOI: 10.36910/qx7gdh81. Disponível em: https://eforum.lntu.edu.ua/index.php/jurnal-mbf/article/view/2224. Acesso em: 24 jun. 2026.