Fuel-cell electric vehicles (FCEVs) are emerging as a promising solution for reducing emissions in the transport sector, with their operation resulting in only water vapor. IDTechEx's report dives into the technology behind fuel-cell vehicles, specifically focusing on proton exchange membrane fuel cells (PEMFCs) that use platinum catalysts to facilitate the conversion of hydrogen into energy and water. The environmental benefits of FCEVs are highlighted, emphasizing their role in improving local air quality and helping OEMs meet emission reduction targets. Additionally, the energy density of hydrogen enables FCEVs to achieve ranges comparable to internal combustion engine cars without harmful emissions, offering operational flexibility and reduced environmental impact. Hydrogen refuelling stations provide a quick refuelling option, similar to traditional gasoline stations, with less strain on the grid compared to BEV charging stations. Despite the advantages, challenges for FCEVs exist, including the costly production of hydrogen, limited infrastructure, and the need for increased governmental support and investment in green technologies for wider adoption. While BEVs currently dominate the market, countries like Japan and Korea are showing interest in hydrogen infrastructure and offering subsidies for FCEVs to promote uptake. IDTechEx's research provides valuable insights into the future of Fuel Cell Electric Vehicles, highlighting the opportunities and challenges faced in this evolving industry.