The Sea Change, also known as Water-Go-Round, recently commenced operations as the first commercial hydrogen-powered ferry in San Francisco Bay, signifying a monumental step towards embracing clean energy in maritime transportation. Developed by Zero Emission Industries with support from the California Air Resources Board, the ferry's creation involved years of research and design efforts at Sandia National Laboratories. The vessel's hydrogen fuel cells generate electricity by combining hydrogen and oxygen, producing water as the only byproduct. However, the high flammability of hydrogen posed safety challenges, leading Sandia Labs scientists to devise innovative measures to mitigate explosion risks. One crucial safety aspect addressed by researchers was the efficient dispersal of hydrogen, particularly challenging on seagoing vessels due to space limitations. Sandia Labs introduced a cost-effective concentric flow control vent mast design that effectively releases excess hydrogen gas into the atmosphere. Engineer Gaby Bran Anleu conducted simulations at the Combustion Research Facility to optimize safety features related to hydrogen storage and ventilation, contributing to the vessel's enhanced design and functionality. The successful deployment of the Sea Change ferry serves as a promising model for future hydrogen-powered transportation, not only within the maritime industry to tackle emissions from commercial vessels but also in other sectors like rail and aviation. The advancements in hydrogen technology signify a bright future for sustainable transportation solutions, with potential applications across various industries. Collaborative efforts between researchers, engineers, and industry players are driving the innovation and adoption of clean energy technologies to address environmental challenges and pave the way for a greener future.