May 24, 2018
Deltamarin wrote an article about Viking Line and their efforts to operate in a more environmental-friendly way. Main focus is on the use of wind energy as an additional source of thrust on board their vessels.
![](https://ferryshippingnews.com/wp-content/uploads/2018/05/3_Viking-Grace-rotor-sail_credit-Norsepower.jpg)
Deltamarin wrote an article about Viking Line and their efforts to operate in a more environmental-friendly way. Main focus is on the use of wind energy as an additional source of thrust on board their vessels.