Só em combustível poupam o valor do barco em 8 anos.It's equipped with a massive 4.1 MWh battery (640 packs) and 6 MW of power (four 1.5 MW propellers) with a diesel engine onboard only for emergencies.
The ferry runs between Helsingborg in Sweden and Helsingor in Denmark - just around 4 km (2.5 miles), but it runs a lot - 46 crossings per 24 hours (184 km/114 miles) and up to 17,000 per year!
https://insideevs.com/news/349545/fully ... ric-ferry/