Inherent Fuel Consumption and Exhaust Emission of the CNG–Petrol Bi–Fuel Engine Based at Non–Loaded Operation. Jurnal Teknologi, [S. l.], v. 48, n. 1, p. 1–18, 2012. DOI: 10.11113/jt.v48.216. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/216.. Acesso em: 23 jul. 2024.