As the ship owners globally experiment with technologies to help incrementally cut emissions to meet stringent new IMO mandates, news out of south Florida indicates that Carnival Corporation, the world's largest cruise company, has made plans to expand the installation and use of Air Lubrication Systems (ALS) to a majority of the cruise line brands in its fleet through 2027; a move the cruise major expects witll generate "significant savings in fuel consumption and carbon emissions" by reducing hull drag by approximately 5% per ship.The pick for air lubrication is the Silverstream System ALS…