Some ingenious new propulsion plant alternatives are proposed by K Tigges, MSc, from Siemens AG/Marine Solutions, Hamburg, and Professor C Gallin, of Gallib Marine Consultants, Baden-Baden. One of the targets is to save energy, ie, to minimise fuel consumption, as well as emissions, at a time of record fuel prices. Another is to give a ship additional power and, by means of a booster device, to increase her speed or to dispose of a supplementary 'sea margin'. This is particularly important for container ships operating under strict time schedules.
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