The global hydrogen IC market, valued at USD 30.47 Billion in 2024, is forecasted to grow significantly, reaching USD 82.85 Billion by 2034 with a CAGR of 10.7%. Hydrogen IC vehicles are gaining traction, especially in the transportation and power generation sectors. They differ from fuel cell vehicles as they utilize internal combustion engines modified to run on hydrogen, emitting no CO2. Challenges like NOx oxides production and hydrogen handling difficulties exist, but technological advancements are addressing these issues. The market landscape is competitive, with companies like Toyota, BMW, and Hyundai leading the way in sustainability and innovation. The commercial vehicle segment is poised for growth, driven by the need for eco-friendly transportation solutions in logistics. North America, Europe, and Asia-Pacific are at the forefront of hydrogen technology adoption, making them key markets for hydrogen IC engines. Technological developments like advanced combustion strategies and safety measures are propelling the market forward, offering a promising future for hydrogen-powered transportation.