Test Equipment Adding Electric Supercharger on Injection Machine for Biofuel OptimizationMahrus Khoirul Umami, Rullie Annisa, Faikul Umam, Hairil Budiarto and Ibnu IrawanE3S Web Conf., 328 (2021) 07009DOI: https://doi.org/10.1051/e3sconf/202132807009