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Carbon Footprints and Sustainability of Biofuels

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Environmental Sustainability and Applications".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1461

Special Issue Editor


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Guest Editor
Editor-in-Chief Emeritus, Environmental Impact Assessment Review, Atlantic Consulting, Obstgartenstrasse 14,8136 Gattikon, Switzerland
Interests: GHG accounting of fuels and chemicals

Special Issue Information

Dear Colleagues,

With two-thirds of the world aiming to achieve carbon neutrality by the mid-century, it would be hard to find a more relevant topic for a Special Issue. We also aim to discover the answer to a question with more scientific complication: what is carbon neutrality, anyway?

(1) Carbon footprints are a key criterium used by governments to regulate fuel markets. Transport fuels are well-covered in the developed world, heating fuels increasingly so, and the developing world is following suit. Footprints—often called carbon intensities—are meant to be ‘science-based’, but are they? Where is there consensus, where is there not, why, and can there ever be full consensus? Which fuels and which processes are more interesting and why? Is there a future for fossil fuels?

(2) The aim of this Special Issue is to examine the footprints of biofuels, either stood alone or in contrast to those applied to fossil fuels or renewables of a non-biological origin.

Sustainability publishes reviews, regular research papers, communications, and short notes, with no restriction on the length of the papers. The journal’s aim is to encourage researchers to publish their experimental, computational, and theoretical research relating to natural and applied sciences, engineering, economics, social sciences, and humanities in detail to promote scientific and more general understanding and to permit predictions and impact assessments of global change and development related to sustainability.

(3) Some of the possible topics of the SI include:

  • A review of applications or a single application;
  • Impacts of footprints on markets and on GHG emissions;
  • Methods of estimation/calculation;
  • Case studies.

Dr. Eric Johnson
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biofuels
  • carbon footprints
  • carbon neutrality
  • fuel footprints
  • carbon intensities

Published Papers (1 paper)

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Research

19 pages, 9814 KiB  
Article
Identifying the Critical Supply Chains for Black Carbon and CO2 in the Sichuan Urban Agglomeration of Southwest China
by Shuangzhi Li, Xiaoling Zhang, Zhongci Deng, Xiaokang Liu, Ruoou Yang and Lihao Yin
Sustainability 2023, 15(21), 15465; https://doi.org/10.3390/su152115465 - 31 Oct 2023
Viewed by 1150
Abstract
Black carbon (BC) and CO2 emissions are the two major factors responsible for global climate change and the associated health risks. Quantifying the impact of economic activities in urban agglomerations on BC and CO2 emissions is essential for finding a balance [...] Read more.
Black carbon (BC) and CO2 emissions are the two major factors responsible for global climate change and the associated health risks. Quantifying the impact of economic activities in urban agglomerations on BC and CO2 emissions is essential for finding a balance between climate change mitigation and pollution reduction. In this study, we utilized a city-level environmental extended multi-regional input–output model (EE-MRIO), integrated nexus strength (INS), and structural path analysis (SPA) to quantify the BC and CO2 footprints, nexus nodes, and supply chains of 21 cities in the Sichuan urban agglomeration (SUA) from 2012 to 2017. The results revealed that approximately 70% of the BC and CO2 footprints come from inter-city transactions, with Chengdu being the largest importing city, while the supply of other cities was greater than their consumption. The SUA has transitioned from a supply-side city cluster to a consumption-oriented city cluster in its trade with other domestic regions. The SPA analysis highlighted that the construction sector was the largest emitter of downstream BC and CO2, while the electricity supply, metal/nonmetallic manufacture, oil refining and coking, transportation, and extraction industry sectors were the main nexus nodes for BC and CO2 emissions in the SUA. Notably, the reduction in BC emissions was due to decreased indirect emissions from oil refining and coking, while the decrease in CO2 emissions was a result of reduced indirect emissions from electricity supply. This article presents, for the first time, a quantification of the heterogeneous impacts and emission supply chains of BC and CO2 emissions from economic activities in the SUA, providing valuable insights for developing climate mitigation policies tailored to different urban clusters. Full article
(This article belongs to the Special Issue Carbon Footprints and Sustainability of Biofuels)
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