2020 Atlantic shipyards: LLT HydroThermal Oxidation (OHT) unit is able to treat liquid waste (such as food waste and bio-Sludge) produced on board in a more environmentally friendly manner when compared to the usually discharge methods. Following the success of the tests carried out with the demonstrator installed on board the award-winning CelebrityEDGE cruise ship (5,000 people capacity), an order for 1 unit for it sister-ships under manufacturing, was finalized in 2020.