Italian shipbuilding group Fincantieri on Wednesday announced it has signed a memorandum of agreement (MOA) with Explora Journeys, the luxury travel brand of the MSC Group's cruise division, for the construction of two hydrogen-powered luxury cruise ships.EXPLORA V and EXPLORA VI will feature a new generation of liquefied natural gas (LNG) engines that will tackle the issue of methane slip and will also be equipped with industry first environmental technologies and solutions, including a containment system for liquid hydrogen that will enable them to use this promising low-carbon fuel.