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International technology group GEA signed a contract for its new transcritical CO2 industrial refrigeration technology, with P&O Cruises, part of Carnival Corporation & PLC, the world’s largest commercial cruise ship operator. The green refrigeration technology has already been installed on board P&O Cruises 2,000-passenger ship Arcadia, where it will deliver the energy-efficient cooling supply for all of the ship’s food and beverage refrigeration units.Discussions between GEA and P&O Cruises are ongoing with a view to rolling out the state-of-the-art transcritical CO2 refrigeration plants to additional cruise ships in the existing fleet, and installing the technology directly in new P&O Cruises ships as they are constructed.