The Swedish Transport Administration, initiated a project regarding the potential fuel saving from operational measures in sea transport in 2011. The project has been financed by the Swedish Transport Administration. The opinions, findings and conclusions expressed in this publication are those of the authors and not necessarily those of the Swedish Transport Administration. Sea transport includes various transport operation from shipper to consignee via ports. The operation is carried out by either dedicated vessels or transport operation through shared vessels. The dedicated sea transport services are often carried out by ships for general cargo or bulk cargo i.e. specially designed for the shipments. The shared sea transport services are often carried out by container ships and ferries (RoRo and RoPax). In the shared transport services, single shipments from various shippers are commonly consolidated through standardized cargo carrier units such as containers, trailers etc in order to coordinate goods flows i.e. achieve economy of scale