From the coast of Norway to the south of Germany, battery electric ferries have begun making their mark on several tourist hotspots in Europe, raising hopes of climate-neutral travel in future. After Norway’s west coast launched “the world’s first zero emission fast ferry” in July, Germany has since seen the addition of at least two new electric passenger ferries in the second half of 2022. Proponents of electric ferries say that in addition to producing no local emissions, the use of battery power also contributes to the reduction of noise pollution, a known factor in the rise of high blood p…