Power to gas plant for the production of bio-methane: Technoeconomic optimizationDavide Lanni, Alessandra Perna, Mariagiovanna Minutillo, Simona Di Micco and Elio JannelliE3S Web Conf., 414 (2023) 02015DOI: https://doi.org/10.1051/e3sconf/202341402015