Vessel Retrofit will Enable Battery-Powered Port Manoeuvres 9 February 2019 Hybrid propulsion system will allow the cargo ship to sail in and out of harbour on electric power.Author: Capt. Johnhttp://feedproxy.google.com/~r/shipandbunker/~3/mJFIQ8dFXTM/114211-vessel-retrofit-will-enable-battery-powered-port-manoeuvres