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.

Sea Change snapshot

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

Source: Switch Maritime

But Pace Ralli, the chief executive of owner Switch Maritime, believes it is more than a demonstration project.