The IDTechEx report, 'Fuel Cell Electric Vehicles 2025-2045: Markets, Technologies, Forecasts', delves into the technology and adoption drivers of fuel cell electric vehicles (FCEVs). FCEVs operate using proton exchange membrane fuel cells (PEMFCs), which convert hydrogen into water and energy, emitting only water vapor. The environmental benefits of FCEVs, including improved air quality and quieter operation, make them a promising alternative to combustion engine vehicles. Hydrogen's energy density allows FCEVs to match the range of internal combustion engine cars without harmful emissions. Refueling FCEVs at hydrogen stations takes just 5 minutes, offering operational flexibility for commercial vehicles. Challenges such as high hydrogen production costs, limited infrastructure, and the need for government support hinder FCEV adoption. Despite these challenges, countries like Japan and Korea are investing in hydrogen infrastructure and providing subsidies for FCEVs. IDTechEx highlights the potential for FCEVs to play a significant role in reducing emissions and meeting emission reduction targets. The report encourages greater investment in green technologies like FCEVs to drive adoption and enhance reliability. While battery electric vehicles (BEVs) currently garner more interest, the focus on hydrogen infrastructure and FCEV subsidies in certain countries signifies a shift towards embracing fuel cell technology for sustainable transportation.