Fuel Cell Powertrain Industry Outlook: From USD 0.77 Billion to USD 31.75 Billion by 2029 | ##fuelcellpowertrain # #cleanenergy # #hydrogenfuel # #sustainablemobility # #zeroemissions # #greentransportation # #automotiveinnovation # #ecofriendlyvehicles # #futureoftransport # #electricvehicles