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Viking’s new 54,300-ton cruise ship will use liquid hydrogen fuel cells supplying about one-third of its propulsion power. The vessel will be refueled at ports using crane-loaded liquid hydrogen containers due to lack of pump infrastructure.

Extreme heatwaves and historic low water levels on the Danube, Rhine, and Main rivers have forced several European river cruise operators to cancel or modify itineraries in summer 2026. Cruises now feature earlier excursions, coach transfers, and ship swaps to manage navigation limitations and passenger comfort.

Carnival Cruise Line cancelled nine Carnival Jubilee sailings from Galveston between August and December 2027 due to revised operational plans. Passengers are offered rebooking with rate protection, onboard credit, or full refunds.