NASA, known for its space exploration endeavors, has ventured into manufacturing futuristic hydrogen engines with the creation of the Hy2PASS engine. This revolutionary engine, designed to be eco-friendly and efficient, aims to challenge the dominance of electric vehicles, particularly in China. By utilizing liquid hydrogen and incorporating a unique air management system, Hy2PASS offers a sustainable fuel solution that produces zero-carbon emissions. NASA's focus on revolution and sustainability is evident in their efforts to advance hydrogen technology for various modes of transportation. While posing a potential threat to China's EV market, the coexistence of hydrogen and electric vehicles seems likely, offering consumers fuel alternatives. The innovative features of Hy2PASS, such as the separation of the compressor from the turbine, highlight NASA's commitment to enhancing productivity and reducing waste heat in hydrogen engines. The future of transportation will witness the competition between hydrogen and EVs, providing consumers with diverse sustainable options for their travel needs and contributing to a greener environment.