Multicriteria fuzzy statistical analysis of biogas energy systems dependability Alexander V. Lomazov, Vadim A. Lomazov, Dmitriy N. Klyosov, Irina V. Miroshnichenko and Nikolay P. Zuev E3S Web of Conf., 524 (2024) 01020 Published online: 16 May 2024 DOI: 10.1051/e3sconf/202452401020