Sustainable Aviation Fuels: Status, challenges and prospects of drop-in liquid fuels, hydrogen and electrification in aviation
Open accessAbstract
Aviation fuel demand is expected to continue to grow over the next decades and continue to rely heavily on kerosene fuel for use in jet engines. While efficiency and operational improvements are possible ways to reduce greenhouse gas (GHG) emissions, decarbonisation will need to heavily rely on low carbon kerosene drop-in alternatives. Currently, alternative fuels make up a very small share of fuel used in aviation, but their commercialisation is making good progress. Hydrogen offers a longer-term alternative fuel option but requires aircraft design and fuelling infrastructure changes. Electrification is emerging as an option for providing propulsion in aircraft, either in pure form in small aircraft or in hybrid mode in larger aircraft. This paper reviews the status, challenges and prospects of alternative fuels and electrification in aviation.
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Genetically engineered yeast has been utilised as it consumes sugars and excretes long chain alkenes, predominantly β-farnesene.
“Genetically engineered yeast has been utilised as it consumes sugars and excretes long chain alkenes, predominantly β-farnesene [138].”
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This process uses an expensive feedstock and the production of the fuel is a high energy process, implantation of HFS-SIP fuels on a commercial scale would be extremely costly.
“Nevertheless, this process uses an expensive feedstock and the production of the fuel is a high energy process, implantation of HFS-SIP fuels on a commercial scale would be extremely costly [138].”
From Investigation of Biofuel as a Potential Renewable Energy Source (2021) · cites this paper as [138]
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Background
- Authors
- Bauen, A., Bitossi, N., German, L., Harris, A., & Leow, K.
- Affiliations
- E4tech (United Kingdom) (GB)
- Venue
- Johnson Matthey Technology Review
- Publisher
- Johnson Matthey Plc
- Published
- 2020-07-01
- Volume
- 64
- Issue
- 3
- Pages
- 263-278
- ISSN
- 2056-5135 (ISSN-L)
- OpenAlex
- W3005808497
- Cited by
- 194
- References
- 0
- Citations by year
- 2026: 29 · 2025: 51 · 2024: 44 · 2023: 26 · 2022: 23 · 2021: 21
- FWCI
- 6.52
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- cc-by-nc-nd
- Locations
- Johnson Matthey Technology Review (publishedVersion, cc-by-nc-nd)
- Topics
- Physical Sciences › Environmental Science › Global and Planetary Change › Advanced Aircraft Design and Technologies
- Physical Sciences › Engineering › Computational Mechanics › Heat transfer and supercritical fluids
- Social Sciences › Economics, Econometrics and Finance › General Economics, Econometrics and Finance › Aviation Industry Analysis and Trends
- Keywords
- sustainable aviation fuel, aviation decarbonization, greenhouse gas emissions, hydrogen aviation, aircraft electrification, hybrid-electric aircraft, alternative aviation fuels
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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