The MV Sea Change, the world's first hydrogen-powered commercial passenger ferry, is set to operate on San Francisco Bay, signaling a move towards reducing diesel-powered vessels and cutting carbon emissions. Starting its service on July 19, the 70-foot catamaran can carry up to 75 passengers between Pier 41 and the downtown San Francisco ferry terminal. Operated by the San Francisco Bay Area Water Emergency Transportation Authority, the service will be free for six months as part of a pilot program. The technology behind the ferry involves fuel cells that generate electricity through an electrochemical reaction of oxygen and hydrogen, emitting water as a byproduct. This innovation has the potential to revolutionize the shipping industry, known for its significant greenhouse gas emissions. Backers of the project also envision a future where hydrogen fuel cells power containerships. While there are concerns about the current methods of hydrogen production, which mainly involve natural gas and emit carbon dioxide, advocates believe that as renewable energy sources like wind and solar power become more prominent, hydrogen production will become cleaner and more sustainable. The Biden administration's focus on hydrogen as an energy source and the investment in clean hydrogen production demonstrate a commitment to shifting towards greener transportation options. The Sea Change project was made possible through financing from SWITCH Maritime and construction at Bay Ship and Yacht in California and All-American Marine in Washington. The successful operation of the MV Sea Change could pave the way for more hydrogen-powered vessels globally, contributing to the reduction of carbon intensity in ports and showing the potential of hydrogen in maritime transportation.