Abstract
The aviation sector contributes to environmental problems like climate change, resource depletion, and air pollution. We perform a systematic literature review of life cycle assessment studies to map the environmental impacts in the sector and provide methodological recommendations. The sector is divided into cross-cutting systems, namely aircraft, fuel and propulsion systems, and airports. Our review results confirm the sector's focus on climate change impacts. The mitigation strategies rely mostly on reducing CO2 emissions during aircraft operations, like implementing sustainable aviation fuels and prospective technologies or decreasing aircraft weight with lightweight components. We use review analyses to identify and discuss knowledge gaps, such as the assessment of noise impacts or non-CO2 flight emissions. Finally, aviation-specific recommendations are provided to LCA practitioners and aviation stakeholders with respect to data transparency and harmonization of results. Research needs, such as the development of characterization factors, are recommended to developers of life cycle impact assessment methods.
| Original language | English |
|---|---|
| Article number | 103717 |
| Journal | Transportation Research. Part D: Transport & Environment |
| Volume | 119 |
| Number of pages | 24 |
| ISSN | 1361-9209 |
| DOIs | |
| Publication status | Published - 2023 |
Bibliographical note
L.R. and E.P. acknowledge the financial support of the Fraunhofer-DTU project EDES (eco-design Stewardship), advancing ecodesign excellence and supporting the aeronautics European Clean Sky Programme. C.O. acknowledges the financial support of the Ecolonomic Design Evolution (EDEN) project with funding from Fraunhofer Gesellschaft under grant agreement No L20802. N.T., K.S.R., and A.L would like to acknowledge the financial support of the GENESIS project (https://www.genesis-cleansky.eu/), which has received funding from the Clean Sky 2 Joint Undertaking (JU) under grant agreement No 101007968. The JU receives support from the European Union’s Horizon 2020 research and innovation program and the Clean Sky 2 JU members other than the Union. This study only reflects the authors’ views; the JU is not responsible for any use that may be made of the information it contains. The authors wish to thank Pernille Krogh Ohms (Technical University of Denmark) for providing insights into the building sector and helping shape the section dedicated to airport systems. Finally, the authors wish to thank Julie Elleby (Technical University of Denmark) for her diligent proofreading of this manuscript.UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
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SDG 12 Responsible Consumption and Production
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SDG 13 Climate Action
Keywords
- Life Cycle Assessment
- Environmental impacts
- Aviation
- Electric aircraft
- Airport
- Sustainable aviation fuels
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