Marine vessels globally contribute to carbon dioxide emissions with approximately 3.3% (IMO 2009). International ocean shipping has been growing significantly over re-cent years with double digits, in particular in the container segment – the most energy intense ocean shipping segment. The growth forecast for seaborne trade today carries a high degree of uncertainty – particularly since the current financial and economic cri-ses. However, assuming an economic recovery and strong demand in countries in transition such as India and China, a further growth can be expected.