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The recent trend in fuel prices together with tightened environmental regulations have made the machinery choice everything but obvious in many newbuilding projects. If you are interested about hybrid propulsion, check out Deltamarin’s Esa Jokioinen’s presentation at Marine Propulsion conference in London 7-8 March 2013.
The presentation shows a case example of a ferry where feasibility of three alternative machinery arrangements, diesel-electric, mechanic and hybrid are examined. The example shows that hybrid machinery configuration can be the most optimal solution in certain projects, and also that when the design criteria of today is considered, the commonly known rules of thumb are not always valid.