Nippon Yusen Kabushiki Kaisha International Car Operators N.V. International Car Operators N.V. (ICO), a member of the NYK Group, has commenced operation of the first shore power facility for roll-on/roll-off (RoRo) vessels at the port of Zeebrugge, Belgium. Following a successful test phase in early June, during which all technical specifications were validated, the first vessel, a pure car and truck carrier (PCTC) operated by NYK, was connected to the system and supplied with electricity.