b"NEWSWIRE:Clean Hulls Lead to Cost Savings NEWSWIRE and Reduced EmissionsR emovingslimefromshipshullsThese early findings show that a layer ofgrowth (barnacles or tubeworms), can see an significantly reduces greenhousegasslimeasthinas0.5mmcoveringuptoincrease in GHG emissions of up to 55 percent. emissions(GHG)emissions50 percent of a hull surface can trigger an according to preliminary results of a newincreaseofGHGemissionsintherangeBiofouling,whichisthebuild-upof studyfromtheInternationalMaritimeof20to25percent,dependingonshipmicroorganisms, plants, algae or small animals, Organization (IMO). The report shows thecharacteristics, speed, and other prevailingisknowntoincreasetheroughnessofthe importance of biofouling management, andconditions.Anaverage-lengthcontainercolonized surfaces. When those surfaces form the it suggests that the impact of hull foulingship with more severe biofouling conditions,underwater parts of a ships hull, the increased hashistoricallybeenunderestimated. suchasalightlayerofsmallcalcareousroughness will increase a ships hydrodynamic drag.Theimmediateeffectisalossinship speed at a constant power or a power increase tomaintainaconstantspeed.Bothofthese havenegativeeconomicandenvironmental impactsthroughincreasedfuelconsumption andatmosphericemissions,includingGHG.Oneofthemostsignificantfactors impactingtheefficiencyofallshipsin serviceisassociatedwiththeresistance generated by the underwater area. Therefore, maintainingasmoothandcleanhullfree from biofouling is of paramount importance. Thesecondpartofthereportwillinclude newly-developed research focused on analyzing theeffectofcurrentlyavailableindustry practicesforbiofoulingmanagement.There are a range of commercially-available options thatcansignificantlyreducetheimpact ofbiofoulingandtherebyenhancethe performanceofships.Thoseincludeusing optimized biofouling control coatings, in-water cleaning technologies, and ultrasonic systems, all of which can form part of a holistic hull managementapproachbytheshipoperator.The report was sponsored by the Global Industry Alliance (GIA) for Marine Biosafety, a group of companies that cooperate under the framework oftheIMO'sGloFoulingPartnerships project. Thefinalversionofthereportis expectedtobepublishedinFebruary2022.Barnacles Ship Fouling Credit: Lena Granhag NEWSWIRE 40 FOGHORN"