The first hydrogen-fuelled ferry in the US is gearing up to make its journey to its new home in the San Francisco Bay, where it will start work to show what it can do.
Ship type: Passenger ferry
Capacity: 75 passengers
Lengh overall: 72 feet (21 metres)
Beam: 24 feet (7 metres)
Max speed: 20 knots
Cruising speed: 16 knots
Range: 300 nautical miles
But Pace Ralli, the chief executive of owner Switch Maritime, believes it is more than a demonstration project.