Page 90 - ΝΑΥΤΙΚΑ ΧΡΟΝΙΚΑ - ΜΑΙΟΣ 2023
P. 90

GREEN SHIPPING / RESEARCH



          Based on the answers given by the 75  THE TECHNOLOGIES OF THE
          representatives of shipping companies,  FUTURE
          classification societies, and service pro-  The race towards decarbonisation is taking
          viders participating in the survey, biofuels,   place on multiple fronts. One concerns
          methanol, and ammonia are considered  the fuel that will prevail in the future, and
          the most feasible options for the future.   another the technologies to be used on
          Biofuels are described as an up-and-com-  ships to reduce emissions. In a related
          ing carbon-neutral fuel solution that can  question, participants were asked which
          quickly enter the global market and help   technology/technologies they consider
          meet the IMO’s targets for reducing green-  most likely to be widely adopted in the
          house gas emissions from 2030 onwards.   shipping industry. 61 participants chose
          In recent years, companies that manage  two of the possible options, and the
          a substantial number of ships, including   remaining 14 chose only one.
          ships of Greek interests, have been test-  Based on their answers, the technological
          ing biofuels and investigating the poten-  solution projected to play the most critical
          tial of these fuels for the next day. At the   role is “CO2 capture and storage systems”.
          same time, both methanol and ammonia  This technology is becoming increasingly
          are viewed as feasible fuels for wide-  popular in recent years, with a multitude
          spread adoption by 2050, while methanol,   of JVs, cooperations, and MoUs being
          in particular, appears to be the “favourite”   announced.
          choice for containership newbuildings; its   The second most popular technology is
          proponents include their easy handling   “air lubrication systems”, while the third
          and storage and the reduction of tank-to   most popular is “none”; Based on the par-
          wake carbon emissions in the benefits it  ticipants’ answers, there is a high level of
          provides.                           uncertainty regarding the feasibility of the
          It is  worth noting that hydrogen and  widespread adoption of a specific technol-
          nuclear power are also considered options   ogy in the foreseeable future.
          that can play a vital role in the shipping   A small part of the participants proposed
          industry’s decarbonisation.         different technological solutions that
          In any case, most respondents consider  weren’t part of the questionnaire, such as
          that several options have a 2050 imple-  “photosynthesising hydrogen” and “silicon
          mentation horizon, supporting the argu-  coatings”.
          ment of many industry stakeholders that
          suggest a multi-fuel future for shipping as  THE ROLE OF LNG AS A LONG-
          there is no one-fits-all solution.  TERM MARINE FUEL
                                              One of the main issues that cause concern
                                              in the shipping community is the energy
                                              transition and the fuels of the future. In






                                                               15%
                              19%                                                5%               1%


                                              19%
             41%                                               Rotor sails        Other       Rigid/solid sails

                            Air lubrication
                            systems

                                                 None

                                                             Graph 5
                                                             Weighted distribution of participants’ answers to the ques-
                                                             tion: “Which of the following emission reduction technol-
         CO2 capture                                         ogies do you think has the greatest potential for wider
         and storage systems                                 adoption by the shipping industry?” (Up to two choices)

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