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Considerations on potentials, greenhouse gas and energy performance of biofuels based on forest residues for heavy duty road transport in Sweden
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building Engineering, Energy Systems and Sustainability Science, Environmental Science.ORCID iD: 0000-0002-2637-1980
Lunds universitet.
2020 (English)In: Energies, E-ISSN 1996-1073, Vol. 13, no 24, article id 6701Article in journal (Refereed) Published
Abstract [en]

This case study investigates the potentials, greenhouse gas (GHG), and energy performance of forest residue biofuels produced by new and emerging production technologies, which are commercially implemented in Sweden for heavy transport. The biofuel options included are ethanol (ED 95), hydro-processed vegetable oil (HVO), and liquefied biogas (LBG) produced from logging residues in forestry and sawdust generated in sawmills. The calculated life cycle GHG emissions, based on the EU Renewable Energy Directive calculation methodology, for all three pathways are in the range of 6–11 g CO2eq./MJ, corresponding to 88–94% GHG emission reductions as compared to fossil fuel. Critical parameters are the enzyme configuration for ethanol, hydrogen supply systems and bio-oil technology for HVO, and gasifier size for LBG. The energy input is ranging from 0.16 to 0.43 MJ/MJ biofuel and the total conversion efficiency from the feedstock to biofuel, including high-value by-products (excluding heat), varies between 61 and 65%. The study concludes that the domestic biofuel potential from estimated accessible logging residues and sawdust is equivalent to 50–100% of the current use of fossil diesel in heavy-duty road transport in Sweden, depending on the biofuel production technology selected and excluding energy by-products. Thus, an expansion of forest-based biofuels is a promising strategy to meet the ambitious climate goals in the transport sector in Sweden.

Place, publisher, year, edition, pages
Switzerland: MDPI , 2020. Vol. 13, no 24, article id 6701
Keywords [en]
logging residues; sawdust; ethanol; HVO; LBG; GHG emissions; energy efficiency; biofuel potential
National Category
Environmental Sciences
Research subject
Sustainable Urban Development
Identifiers
URN: urn:nbn:se:hig:diva-34638DOI: 10.3390/en13246701ISI: 000602749200001Scopus ID: 2-s2.0-85101828503OAI: oai:DiVA.org:hig-34638DiVA, id: diva2:1513891
Available from: 2021-01-02 Created: 2021-01-02 Last updated: 2023-08-28Bibliographically approved

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Soam, Shveta

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CiteExportLink to record
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Citation style
  • apa
  • harvard-cite-them-right
  • ieee
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  • Other style
More styles
Language
  • sv-SE
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  • en-US
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  • Other locale
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Output format
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