Page 19 - European Energy Innovation magazine - autumn 2022 edition
P. 19

Autumn 2022 European Energy Innovation
            Decarbonize aviation                                                  COMMUNICATION        19

            the right way





            Our industry in perspective      produced from UCO. While UCO     •  broadening the feedstock base for
            Waste-based and advanced biodiesel   use would certainly reduce sector   SAF production, and
            has been a major driving force behind   emissions compared with jet   •  establishing bolder promotion for
            a steady reduction of road/heavy duty   kerosene, in absence of a holistic   key technologies such as e-fuels
            transport emissions and it is playing   approach across transport sectors   and alcohol-to jet.
            an increasing role decarbonizing   the proposed legislation would
            the maritime sector. Waste-based   signifi cantly increase emissions in   Promote the best types of SAF
            biodiesel using used cooking oil (UCO)   transport as a whole, put enormous   Using waste lipids is at the moment
            achieves the highest greenhouse   pressure on waste lipids such as   a comparatively cost-effective option
            gas (GHG) savings on record under   UCO and animal fats (which have   to reduce emissions in aviation but
            the revised Renewable Energy     more effi cient uses), and at the same   over-relying on waste lipids in the
            Directive (REDIII). Over the past 15   time fail to boldly promote novel and   2025-2035 period is the wrong policy
            years, our industry has been setting   scalable SAF technologies that are   choice as the above-mentioned
            up collection systems to secure   essential to decarbonize aviation.  negative consequences far outweigh
            feedstocks that would otherwise                                   the immediate benefi ts. For these
            pollute the environment and generate   Climate in focus           reasons certain governments have
            additional emissions, while investing   By diverting waste feedstocks from   opted to support more promising
            heavily in plant optimization and pre-  road and maritime uses to aviation,   novel pathways instead of waste
            treatment technologies to process   transport emissions will increase as   lipids: the UK chose to focus on SAF
            low-quality wastes and residues.   waste-based biodiesel achieves up   from cellulosic residues, municipal
            Fast-forward a decade and a half and   to +90% GHG savings versus 76%   solid waste, etc, while Germany is
            the European waste-based biodiesel   GHG savings achieved by UCO-based   exclusively promoting e-fuels with
            industry is confronting highly negative   SAF (HEFA). In short, this means that   a deployment stage in the mid-
            unintended consequences stemming   at least 1 million tons of additional   2020s. Both countries have excluded
            from the draft ReFuelEU Aviation   GHG emissions will be released in   waste lipids from SAF promotion.
            Regulation, currently under discussion.  the atmosphere already from 2025.   When it comes to decarbonising
                                             That is of course unless European   our economy, the EU legislator
            The issue at stake               lawmakers signifi cantly improve the   should pursue the most effi cient
            In its original draft the ReFuelEU   ReFuelEU proposal by:        technologies and not pick winners
            Aviation proposal strongly relies   •  placing a hard limitation on the   and losers at the expense of net GHG
            on sustainable aviation fuels (SAF)   contribution of HEFA,       emissions. ●


                                   The ReFuelEU proposal puts the   Waste biodiesel
                                   overall EU transport decarboni-  for our trucks
                                   sation effort and European   Waste-based and advanced biodiesel
                                   SMEs at risk               reduces greenhouse gas (GHG) emissions
                                   Waste-based and advanced biodiesel for   by up to 90% compared with fossil-based
                                                              diesel.
                                   road and maritime use (FAME * ) is a more
                                   efficient process (sGU study) than lipid-   Full-scale electrification for the road
                                   based Sustainable Aviation Fuel - SAF   sector (especially heavy-duty) will take
                                   (HEFA ** ) for aviation. Given that there is a   decades to take place and waste-derived
                                   limited source of waste lipids - diversion   biodiesel is the best solution to decarboni-
                                   from road/ maritime to aviation leads to   ze the existing fleet.
                                   higher GHG emissions.
                                          A 2% SAF mandate in 2025 will consume more than 80% of
                                        all UCO used by EWABA members and cause min. 1 million tons   Waste biodiesel
                                            of additional emissions in the atmosphere per year.  into shipping
                                                                                        Waste-biodiesel can easily be
                                                                                        blended in existing fuel oil ships
                                           Process option              Process option   without any modifications to the
                                             HEFA **                     FAME *         engine or existing infrastructure.
                                              Yield      1.000 kg         Yield
                                        610 kg UCO-HEFA (SAF)  used   1.004 kg UCO-Biodiesel  Waste-based biodiesel can be
                                            Usage options  cooking oil  Usage options   deployed immediately and is
                                                                                        favored by ship operators due to
                                            Aircraft       (UCO)     Car, Truck, Vessel  its very high energy density, a
              The European Waste-        Greenhouse gas emissions   Greenhouse gas emissions  sufficient parameter for long
              based biodiesel map         24 g CO eq/MJ               10 g CO eq/MJ     intercontinental voyages with no
                                               2
                                                                           2
              Apart from its decarbonisation                                            opportunity to refuel along the
              efficiency, the waste-based and                                           way.
              advanced biodiesel industry                      Environmental Protection
              supports over 25,000 jobs across
              55+ production facilities scattered              The collection of used cooking oils
              across 19 EU member states.                      prevents their improper disposal in sinks,
                                                               which leads to the blockage of sewer
              Diverting waste oils to aviation will            systems and to the formation of so-called
              significantly hurt climate mitigation            ‘fatbergs’.
              efforts but also damage an EU
              industry largely based on SMEs,                  These mountains of waste are very difficult
              often located in remote and rural                to clean and extremely costly for cities and
              regions.                                         water companies. Also, animal fats and
                                                               other residues (advanced feedstocks) are
              *     FAME - Fatty Acid Methyl Ester             often left to landfill where they produce
              **    HEFA - Hydroprocessed esters               additional emissions. And most important-
                    and fatty acids                            ly, a very useful ‘wasted’ resource is lost!
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