Toyota has unveiled a new approach in the automotive industry by introducing a hydrogen combustion engine that runs on hydrogen and emits only water vapor. This technology aims to provide strong performance comparable to high-efficiency gasoline engines, as demonstrated by the Toyota Mirai sedan showcased at the Paris 2024 Olympics. The hydrogen combustion engine not only ensures environmental friendliness by emitting no harmful greenhouse gases but also offers advantages in safety, weight, efficiency, and mechanical simplicity compared to lithium-ion batteries. With a focus on thermal efficiency and mechanical reliability, these engines are poised to reshape the auto industry. Toyota's long-term vision for hydrogen technology is optimistic, especially considering the support from governments and private investors. Despite competitors transitioning to full electric vehicles, Toyota's commitment to hydrogen suggests a bright future for clean combustion solutions. The growth of hydrogen refueling stations and the expected expansion of the hydrogen fueling stations market also indicate a thriving environment for hydrogen technology, with industry leaders like Air Liquide and Linde PLC driving the market forward.