Page 114 - ΝΑΥΤΙΚΑ ΧΡΟΝΙΚΑ - ΜΑΙΟΣ 2023
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19% of the participants believe that using LNG as a fuel   A small percentage of the survey participants consider
          will persist even after the end of the century. In your  ETS the most effective measure in enforcing the reduc-
          opinion, what are the uncertainty factors leading to this   tion of the environmental footprint of European shipping.
          particular claim?                                 Which are the hurdles to the successful implementation
                      LNG is a fossil fuel, with substantially less     of ETS?
                      CO₂ emissions than conventional liquid fuel.      ETS is meant to correct a fault. It assumes
                      As such, it can be a good starting point for      that there will be ships which emit more than
                      the transition but cannot be considered the       others. Therefore, in the ideal case that all
                      definitive solution beyond 2050.                  ships reduce their emissions at same pace, it
                      As the focus is on of  CO₂ emissions and not      becomes ineffective.
                      its production per se, this allows to conclude    If other countries or regions adopt a similar
                      that whether its use will go beyond 2100          strategy (EU alone is not enough) a global
                      really depends on what technologies and           agreement will be required: a misalignment
                      solutions can support its extended use.           may cause less ships calling EU ports (carbon
                      Most studies agree that post combustion           leakage) and transfer of freight transporta-
                      carbon capture involves less energy con-          tion to trains (negative impact to shipping as
                      sumption on board LNG fueled ships.               an industry).
                      LNG reforming to produce hydrogen while           By setting a cap and issuing a correspond-
                      capturing the  CO₂ with a physical process        ing number of allowances, an ETS (cap-and-
                      (unlike to chemical absorption of post com-       trade) system achieves a set environmental
                      bustion technique) is also another solution.      goal, but the cost of reaching that goal is
                      The industry is rightly concerned about the       determined by market forces. Reduced eco-
                      emission of unburnt methane to the atmo-          nomic growth would lower allowance prices
                      sphere. This is a good reason for many to         and reduce the incentive
                      avoid its use.                                    The use of revenues from ETS is still unknown.
                                                                        Depending on who pays the tax or is respon-
                                                                        sible for holding allowances, the ones that
                                                                        are directly impacted by this system can vary
                                                                        considerably.


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