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Testing of a Monitoring, Reporting & Verification (MRV) Scheme for the integration of non-CO2 aviation effects into EU ETS

Niklaß, Malte and Dahlmann, Katrin and Plohr, Martin and Grewe, Volker and Gutt, Ekkehard and Katzer, Bernhard and Kluge, Michael and Lau, Alexander and Linke, Florian and Maertens, Sven and Matthes, Sigrun and Scheelhaase, Janina and Thor, Robin Niclas and Wozny, Florian and Zengerling, Zarah Lea (2022) Testing of a Monitoring, Reporting & Verification (MRV) Scheme for the integration of non-CO2 aviation effects into EU ETS. The 5th International Conference on Transport, Atmosphere and Climate (TAC-5), 27.-30. Juni 2022, Bad Aibling, Deutschland.

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Abstract

In addition to carbon dioxide, aviation affects the climate through other emissions and atmospheric processes, such as contrail formation and the impact of NOx emissions on ozone and methane. No non-CO2 policy instruments have yet been established in aviation, since non-CO2 effects are not yet fully understood and still linked with medium to high uncertainties. But with non-CO2 effects accounting for about 2/3 of the total climate impact of aviation, and with uncertainties not going to disappear in the near future, we have to learn to cope with them. Risk assessment is required to better understand the impact of uncertainties on the calculation of non-CO2 effects and thereby on the potential of setting wrong incentives. To address the lack of incentivizing airlines to internalize their climate costs, this study focuses on the development and testing of a monitoring, reporting and verification (MRV) system, as a first step for the full integration of non-CO2 effects into the EU ETS. For this purpose, non-CO2 effects are integrated according to the principle of equivalent CO2 emissions (CO2e). Since several CO2e calculation methods are in principle available, the selection process involves a trade-off between the level of atmospheric uncertainties, the level of climate mitigation incentives, and the resulting effort of MRV activities. Simple CO2e factors (constant, distance- or latitudedependent) are heavily criticized and proven to be inappropriate since they further increase the focus on CO2 reduction, might create false incentives (incentive to fly higher rather than lower) and “penalize" climate-cost-efficient routings (due to the increased fuel burn). To incentivize mitigation of non-CO2 impacts, more comprehensive CO2e factors (altitude-, location- or weather dependent) are therefore needed, which all require monitoring of flight data. Within this study, we test the operational feasibility of a location-dependent CO2e approach, which seems to be technically possible today. For this purpose, we use flight monitoring data from 400 intra-European flights provided by European Air Transportation Leipzig, a German cargo airline owned by Deutsche Post. To keep the MRV effort as low as possible, most monitoring and reporting (airline perspective) as well as verification steps (authority perspective) are automated via software tools that might be provided for the users (e.g. by the EC). We show some possible steps forward and formulate recommendations for integrating non-CO2 effects into the EU ETS. As next steps, we recommend policymakers to select promising CO2e approaches, to analyze the economic impact and to conduct further pilot projects.

Item URL in elib:https://elib.dlr.de/194320/
Document Type:Conference or Workshop Item (Speech)
Title:Testing of a Monitoring, Reporting & Verification (MRV) Scheme for the integration of non-CO2 aviation effects into EU ETS
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Niklaß, MalteUNSPECIFIEDhttps://orcid.org/0000-0001-6760-8561UNSPECIFIED
Dahlmann, KatrinUNSPECIFIEDhttps://orcid.org/0000-0003-3198-1713UNSPECIFIED
Plohr, MartinUNSPECIFIEDhttps://orcid.org/0000-0002-6165-0838UNSPECIFIED
Grewe, VolkerUNSPECIFIEDhttps://orcid.org/0000-0002-8012-6783UNSPECIFIED
Gutt, EkkehardUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Katzer, BernhardUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kluge, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lau, AlexanderUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Linke, FlorianUNSPECIFIEDhttps://orcid.org/0000-0003-1403-3471UNSPECIFIED
Maertens, SvenUNSPECIFIEDhttps://orcid.org/0000-0002-4618-0946UNSPECIFIED
Matthes, SigrunUNSPECIFIEDhttps://orcid.org/0000-0002-5114-2418UNSPECIFIED
Scheelhaase, JaninaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Thor, Robin NiclasUNSPECIFIEDhttps://orcid.org/0000-0001-5703-0495UNSPECIFIED
Wozny, FlorianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zengerling, Zarah LeaUNSPECIFIEDhttps://orcid.org/0000-0001-7424-3687UNSPECIFIED
Date:27 June 2022
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:EU ETS; non-CO2 effects, MRV; aviation
Event Title:The 5th International Conference on Transport, Atmosphere and Climate (TAC-5)
Event Location:Bad Aibling, Deutschland
Event Type:international Conference
Event Dates:27.-30. Juni 2022
Organizer:DLR
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Air Transportation and Impact
DLR - Research area:Aeronautics
DLR - Program:L AI - Air Transportation and Impact
DLR - Research theme (Project):L - Climate, Weather and Environment, L - Air Transport Operations and Impact Assessment
Location: Hamburg , Köln-Porz , Oberpfaffenhofen
Institutes and Institutions:Air Transport Operations
Institute of Atmospheric Physics > Earth System Modelling
Institute of Air Transport and Airport Research
Institute of Propulsion Technology
Deposited By: Niklaß, Malte
Deposited On:15 Mar 2023 12:00
Last Modified:15 Mar 2023 12:00

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