Prof. Michael Vahs talks about the 2018 German- Dutch project consortium under the scientific direction of the Emden/Leer University of Applied Sciences which aimed to retrofit and commission the latest rotor development of the Eco-Flettner type on the test ship "Fehn Pollux" of the Leer-based shipping company Fehn Ship Management.  The Faculty of Maritime Sciences at Emden/ Leer University of Applied Sciences has developed an automatic control and monitoring system for Flettner rotors that also records data which will help in determining economic costs and benefits. click here to visit article