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Life Cycle environmental analysis of 'drop in' alternative aviation fuels: A review

Abstract

Alternative aviation fuels possess significant potential to reduce the environmental burdens of the aviation industry. This review critically explores the application of the Life Cycle Assessment methdology to the assessment of alternative aviation fuels, highlighting critical issues associated withimplementing Life Cycle Assessment, such as the regulatory policy, functional unit selection, key system boundaries and the selection of the appropriate allocation methods. Critically distinct from other reviews on aviation fuels, a full, detailed analysis of the 37 Lifecycle Assessment studies currently available is critically evaluated over the past decade, supported by the additional background literature. For the first time, it brings together the assessment of sustainable feedstocks, processes and impact methods on the asessment of the jet fuel fraction. Significantly, the results highlight a lack of assessment into other characterisation factors within the Life Cycle Impact Assessment phase, leading to an over reliance on Global Warming Potentials and high uncertainty during production and combustion of the aircraft at high altitudes. Future prespectives on the next generation of aviation fuels from novel feedstocks are explored, leading to recommendations for applying endpoint damage assessment categories to these studies

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Article information


Submitted
11 Sep 2019
Accepted
19 Mar 2020
First published
20 Mar 2020

Sustainable Energy Fuels, 2020, Accepted Manuscript
Article type
Review Article

Life Cycle environmental analysis of 'drop in' alternative aviation fuels: A review

B. W. Kolosz, Y. Luo, B. Xu, M. Maroto-Valer and J. Andresen, Sustainable Energy Fuels, 2020, Accepted Manuscript , DOI: 10.1039/C9SE00788A

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