Duffy-Herreshoff watertaxi
The Duffy-Herreshoff DH30 watertaxi is an 18-person hydrogen fueled passenger ship, power-assisted by an electric motor that gets its electricity from a fuel cell. The watertaxi debuted on October 20, 2003 in San Francisco.
Source: Wikipedia — Duffy-Herreshoff watertaxi (CC BY-SA 4.0)