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Life-Cycle Assessment and Costing of Fuels and Propulsion Systems in Future Fossil-Free Shipping
Department of Mechanics and Maritime Sciences, Maritime Environmental Sciences, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.ORCID iD: 0000-0002-6573-7084
Department of Mechanics and Maritime Sciences, Maritime Environmental Sciences, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.ORCID iD: 0000-0002-0357-1103
Department of Mechanics and Maritime Sciences, Maritime Environmental Sciences, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.ORCID iD: 0000-0002-4323-7011
IVL Swedish Environmental Research Institute. Department of Mechanics and Maritime Sciences, Maritime Environmental Sciences, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden;Sustainable Society, IVL Swedish Environmental Research Institute, Aschebergsgatan 44, SE-411 33 Göteborg, Sweden.ORCID iD: 0000-0002-8071-2213
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2022 (English)In: Environmental Science and Technology, ISSN 0013-936X, E-ISSN 1520-5851, Vol. 56, no 17, p. 12517-12531Article in journal (Refereed) Published
Abstract [en]

Future ships need to operate with low or possibly zero greenhouse gas (GHG) emissions while ensuring low influence on other environmental impacts and that the operation is economically feasible.

This study conducts a life-cycle evaluation of potential decarbonization solutions involving selected energy carriers (electrolytic hydrogen, electro-ammonia, electro-methanol, and electricity) in different propulsion system setups (engines, fuel cells, and carbon capture technologies) in terms of environmental impact and costs.

The results of the study show that the assessed decarbonization options are promising measures to reduce maritime GHG emissions with low-carbon-intensive electricity.

The same order of GHG reduction is shown to be possible independent of the propulsion system and energy carrier used onboard.

However, the carbon abatement cost ranges from 300 to 550 €/tCO2eq, and there is a trade-off with environmental impacts such as human toxicity (cancer and non-cancer effects) and freshwater ecotoxicity mainly linked with the wind infrastructure used for electricity production.

Electro-ammonia in fuel cells is indicated to be effective in terms of the carbon abatement cost followed by the so-called HyMethShip concept.

The higher abatement cost of all options compared to current options indicates that major incentives and policy measures are required to promote the introduction of alternative fuel and propulsion systems.

Place, publisher, year, edition, pages
2022. Vol. 56, no 17, p. 12517-12531
Keywords [en]
LCA, LCC, hydrogen, ammonia, methanol, battery, E-fuels, electrofuels
Keywords [sv]
LCA, LCC, vätgas, ammoniak, metanol, batteri, e-bränslen, elektrobränslen
National Category
Environmental Sciences Energy Engineering Energy Systems
Identifiers
URN: urn:nbn:se:ivl:diva-4012DOI: 10.1021/acs.est.2c03016OAI: oai:DiVA.org:ivl-4012DiVA, id: diva2:1698270
Funder
Swedish Transport Administration, FP2_E_2020Swedish Transport Administration, TRV 2021/11568Available from: 2022-09-23 Created: 2022-09-23 Last updated: 2022-09-23

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Kanchiralla, Fayas MalikBrynolf, SelmaMalmgren, ElinHansson, JuliaGrahn, Maria
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