somewhat older models, like the Polarstern, which has been traversing the icy waters of the high north and deep south since 1982. On an average of 300 days a year, the Polarstern can be found forging her way [...] deliver a better eco-balance than other forms of transportation, but also because on board the Polarstern, the available resources are used as sparingly as possible. For example, the 118-metre-long ship [...] dioxide. Moreover, the ship doesn’t run on fuel oil, but diesel, a significantly cleaner choice. “The Polarstern bunkers the cleanest variant available, DMA, which is nearly as good as the diesel used in commercial