Green Fleet: A Prototype Biogas and Hydrogen Refueling Management System for Private Fleet Stations - Martín-Márquez, A; Rangel-Serrano, JF; Oyola-González, JM; Talegón-Vázquez, A; Garrido, M; García-Velayos, R; García-Heras, CP; Bolonio, D; Ortega-Romero, MF (Fuels, 2023)