Improving the efficiency of biogas utilisation as motor fuelVarvara Druzyanova, Sofya Petrova, Nadezhda Khiterkheeva, Lena Yakovleva, Nikolay Petrov, Daba Radnaev, Zlata Strekalovskaya and Mikhail ShadrinE3S Web Conf., 460 (2023) 07004DOI: https://doi.org/10.1051/e3sconf/202346007004