Direct air capture-assisted sustainable fuel solution in maritime sector: a carbon footprint perspective
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44246_2025_Article_209.pdf
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Author(s)
Li, Shuangjun
Du, Zhenyu
Wang, Junyao
Wang, Hao
Cao, Xiangkun E.
Chen, Runkai
Pang, Yujia
Deng, Shuai
Mašek, Ondřej
Yuan, Xiangzhou
Date Issued
May 16, 2025
Journal
Carbon Research
Publisher
Springer Nature Singapore
Citation
Li, S., Du, Z., Wang, J. et al. Direct air capture-assisted sustainable fuel solution in maritime sector: a carbon footprint perspective. Carbon Res. 4, 43 (2025).
Version
Final published version
Abstract
Carbon emissions reduction within the maritime sector is pivotal for realizing zero-carbon goals and mitigating climate impacts. Adopting renewable carbon fuels presents a potent strategy. It is necessary to have a comprehensive understanding of its negative carbon attributes and enduring contributions to future development based on carbon footprint assessment. By using the CO2 captured through direct air capture (DAC) technology and the H2 obtained via water electrolysis as feedstock, electro-methanol (e-methanol) can be produced under renewable energy-driven conditions. Owing to the environmental benefits and economic feasibility of e-methanol, we highlight its potential as a practical alternative to traditional fossil fuel-based technical scenarios. A quantitative analysis of this integrated system from a carbon footprint perspective allows for an environmental sustainability assessment. According to predictions, scaled-up usage of the system can reduce the maritime sector's contribution to global carbon emissions by half by 2050.
MIT Department
Massachusetts Institute of Technology. Department of Chemical Engineering
Terms of Use
Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.1007/s44246-025-00209-5
