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  Potential and risks of hydrogen-based e-fuels in climate change mitigation

Ueckerdt, F., Bauer, C., Dirnaichner, A., Everall, J., Sacchi, R., Luderer, G. (2021): Potential and risks of hydrogen-based e-fuels in climate change mitigation. - Nature Climate Change, 11, 5, 384-393.
https://doi.org/10.1038/s41558-021-01032-7

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Item Permalink: https://publications.pik-potsdam.de/pubman/item/item_25599 Version Permalink: https://publications.pik-potsdam.de/pubman/item/item_25599_3
Genre: Journal Article

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 Creators:
Ueckerdt, Falko1, Author              
Bauer, Christian2, Author
Dirnaichner, Alois1, Author              
Everall, Jordan1, Author              
Sacchi, Romain2, Author
Luderer, Gunnar1, Author              
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1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Abstract: E-fuels promise to replace fossil fuels with renewable electricity without the demand-side transformations required for a direct electrification. However, e-fuels’ versatility is counterbalanced by their fragile climate effectiveness, high costs and uncertain availability. E-fuel mitigation costs are €800–1,200 per tCO2. Large-scale deployment could reduce costs to €20–270 per tCO2 until 2050, yet it is unlikely that e-fuels will become cheap and abundant early enough. Neglecting demand-side transformations threatens to lock in a fossil-fuel dependency if e-fuels fall short of expectations. Sensible climate policy supports e-fuel deployment while hedging against the risk of their unavailability at large scale. Policies should be guided by a ‘merit order of end uses’ that prioritizes hydrogen and e-fuels for sectors that are inaccessible to direct electrification.

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 Dates: 2021-05-062021-05-30
 Publication Status: Finally published
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 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41558-021-01032-7
MDB-ID: pending
PIKDOMAIN: RD3 - Transformation Pathways
Organisational keyword: RD3 - Transformation Pathways
OATYPE: Green Open Access
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Title: Nature Climate Change
Source Genre: Journal, SCI, Scopus, p3
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Pages: - Volume / Issue: 11 (5) Sequence Number: - Start / End Page: 384 - 393 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/140414
Publisher: Springer Nature