Specifically, under the deal, Hurtigruten is planned to begin upgrading six of its vessels from this winter to run on a combination of LNG, battery packs and liquid biogas, replacing the older engines which run on marine gas oil.

The ships are the MS Nord-Norge, MS Nordlys, MS Nordkapp, MS Kong Harald, MS Richard With and MS Polarlys. The first of these ships are set to sail along the Norwegian coast from 2020.

Moreover, the vessels' bunkering will be conducted in Bergen utilizing a custom-built bunkering vessel.

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The two parties, earlier, commented that the project would mark the first time a large passenger vessel has been converted to run on liquified biogas – a fossil-free, renewable gas produced from organic waste.

In March 2019, Hurtigruten hired marine solutions company Høglund to deliver biogas-ready fuel-gas supply systems (FGSS) the passenger vessels