TransportHydrogen buses cost 41% more over their lifetime than battery-electric equivalents, say government advisorsH2 fuel cell buses rack up 70% extra in fuel costs compared to battery-powered models, French transport advisory body warnsFormer Group Savac President Geric Bigot poses in front of the first hydrogen bus in Les Loges-en-Josas, on September 12, 2019 west of Paris.Eric Piermont/AFP via Getty ImagesRachel ParkesDeputy Editor