The San Francisco Bay Ferry system has introduced the Sea Change, the world's first commercial passenger ferry completely powered by hydrogen fuel cells. The 75-seat vessel operates emission-free, running between Pier 41 near Fisherman’s Wharf and the Ferry Building three days a week. This innovation marks a significant step towards building a zero-emission ferry fleet, addressing the environmental impact of diesel-powered vessels. The California Air Resources Board (CARB) supported the project with a $3 million grant, underscoring the importance of transitioning to zero-emission vessels to mitigate the disproportionate diesel pollution affecting harbor communities. Although hydrogen production currently involves some carbon emissions, the industry anticipates a shift towards green, renewable hydrogen production as solar and wind power become more affordable and prevalent. In addition to the hydrogen-powered ferry, plans are underway to incorporate five battery-powered ferries into the bay’s fleet. While battery-powered ferries are suitable for short-range routes, hydrogen-powered ferries offer a promising solution for long-distance travel due to their energy density advantages. The Sea Change sets a precedent for the future of transportation in the region, with the potential for hydrogen-powered ferries to dominate long-distance routes across the bay. This innovative approach reflects a positive sentiment towards hydrogen technology and renewable energy sources in the maritime industry.