b'APRIL 19 - MAY 9, 2021OCEAN CARRIER REVIEW 11Of fuel and ships Ideas new and old for meeting the challenge of sustainable shippingBy George Lauriat, AJOT Even before IMO 2020grailofmarineengineering. cameintoeffectonJanuaryIn a sense, this is a two-fold 1 st2020, the quest to find thechallenge, the first designing next fuel to power line hauland building a practical pow-sizevesselswasunderway.erplant of sufficient strength ButIMO2020kickedthetopropelashipthroughits processintohighgear.Withnormalsearoutesandsec-environmental concerns para- ondly to build an infrastruc-mount in the design process,turetosupporttheships innovationsinpowerplantsrefueling.With2030IMO and fuels have gone from thedeadlinenowloomingon planning to prototype to main- the 40% reduction in carbon stream at breakneck speed. emissions,findingalterna-Dubbed IMO 2020, thetives to fuel oil is imperative.new rule limits the amount of sulphur in the fuel oil used onlng a lternativeSboard ships operating outsideSo far, the introduction of designatedemissioncontrolLiquified Natural Gas (LNG) areas (ECAs) to 0.50% m/mpowered vessels has been the (mass by mass). This repre- (FUELcontinued onThe first of three LNG battery hybrid PCTCs commissioned by United European Car Carriers (UECC) was launched sentsasignificantreductionpage 13) in an official ceremony April 12th at the Jiangnan Shipyard in Shanghai.fromthepreviouslimitof 3.5%. Within specific desig-natedECAsthelimitswere alreadystricterat0.10%. Thisnewlimitwasmade compulsoryfollowingan amendmentto AnnexVIof the International Convention forthePreventionofPollu-tion from Ships (MARPOL).Inordertomeetthese newstandardsmanyship-owners retro-fitted scrubbers toremovesulphuroxides fromtheshipsengineand boilerexhaustgases.This eliminatedtheneedtofind afuelcompliantwiththe IMO 2020 regulations. A ship fittedwithascrubbercould use heavy fuel oil, as the sul-phuroxidesemissionsare reduced to a level equivalent to the required IMO fuel oilIn. Out.sulphur limit.However,whilescrub-bersworked,theywerein manyrespectsaBand-AidOn tosolution. Anddidnt address,the more profound problem of making ships more environ- whatsmentally sound even beyond the IMO 2020 protocols. This meanttakingawholenew approach to powering vesselsnext. byfindingasubstitutefuel In. Out. On to Whats Next AJOT Half Page 8x 10 No Bleed 2/28/20for a technology that has been in place for a century. But what are the practical alternatives to fuel oil?Title:Pub:This Trim Size:Bleed Size:Close Date: isntanewproblem.ShipWelcome to done.designers have been looking fornewfuelsforshipsforWelcome to what you need, when you need it. decades.Thenuclearpow- North Carolina Ports is more than the port with NCP 14317 - WhatsNext - AJOT - 8x10 - v1.2 NC Ports 14317 InDesign CC 4CeredNSSSavannahbuilt inthe fastest turn times on the East Coast. Its 1959 was an attempt to lookalso the port with exceptional service, unique atanalternativefutureforlogistical solutions, and expanded offerings, commercial use. The conceptlike three neo-Panamax cranes, improved behindtheshipsconstruc-tionwastofindnon-mili- intermodal rail service and expanded tary uses for nuclear power.refrigerated container capacity. Were Client:Job #:App:Colors: File Name: never donending better ways to help Though the ship sailed over 450,000milesbeforeretire- you discover the power of DONE. ment,nuclearpowerwasLearn how NC Ports delivers neverconsideredaviablethe worldfaster. option for merchant ships.But the idea of finding a800.213.4430 // NCPorts.comfuel with little or no pollut-ingexhaustyetcapableof poweringlargecommercial vesselshasbecomeaholy NCP 14317 - WhatsNext - AJOT - 8x10_1.2_mech.indd 1 1/31/20 2:04 PM'