Topic Editors

1. Department of Mechanical Engineering, University of Victoria, Victoria, BC V8W 2Y2, Canada
2. Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, ON L1H 7K4, Canada
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China

CO2 Capture and Renewable Energy, 2nd Edition

Abstract submission deadline
31 March 2026
Manuscript submission deadline
30 June 2026
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1281

Topic Information

Dear Colleagues,

The following Topic is a continuation of the previous successful Topic “CO2 Capture and Renewable Energy”. (https://www.mdpi.com/topics/CO2_capture_renewable_energy) The rapid and global development of an energy sector based on renewables and green sources is critical for the decarbonization of energy in a climate-friendly scenario. However, CO2 capture, utilization, and storage (CCUS) continues to play a vital role in mitigating CO2 emissions from industrial sources that are challenging or impossible to fully decarbonize. Complementing this, CO2 removal technologies, including bioenergy with carbon capture and storage (BECCS), direct air capture (DAC), CO2 mineralization, and photosynthetic CO2 uptake by microalgae, will be indispensable in achieving negative emissions and addressing the rising atmospheric concentration of CO2. This topic aims to emphasize not only the current status and advancements in CO2 capture technologies and renewable energy systems but also their integration into sustainable solutions for a low-carbon future. A particular focus will be placed on the molecular-level understanding of CO2 capture and transformation processes, including the design of novel materials, catalysts, and chemical pathways that improve efficiency and reduce environmental impact. Additionally, this issue will explore the lifecycle sustainability of these technologies, highlighting innovative approaches to enhance the scalability and affordability of CCUS and CO2 removal techniques.

Dr. Haris Ishaq
Dr. Cheng Cao
Topic Editors

Keywords

  • CO2
  • CCUS
  • CO2 capture
  • CO2 mineralization
  • CO2 storage
  • renewable energy

Participating Journals

Journal Name Impact Factor CiteScore Launched Year First Decision (median) APC
Clean Technologies
cleantechnol
4.7 8.3 2019 33.7 Days CHF 1600 Submit
Energies
energies
3.2 7.3 2008 16.2 Days CHF 2600 Submit
Molecules
molecules
4.6 8.6 1996 16.1 Days CHF 2700 Submit
Processes
processes
2.8 5.5 2013 16 Days CHF 2400 Submit
Sustainability
sustainability
3.3 7.7 2009 19.3 Days CHF 2400 Submit

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Published Papers (2 papers)

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15 pages, 1491 KB  
Article
Renewable Energy Transition and Sustainable Economic Growth in South Asia: Insights from the CO2 Emissions Policy Threshold
by Mustapha Mukhtar, Idris Abdullahi Abdulqadir and Hassan Sani Abubakar
Sustainability 2025, 17(20), 9289; https://doi.org/10.3390/su17209289 - 19 Oct 2025
Abstract
This article examines the asymmetric effects of renewable energy on sustainable economic growth across six South Asian countries from 2000 to 2023, employing panel data and threshold regression analysis. The findings indicate that CO2 emissions must remain below a threshold of 2.38% [...] Read more.
This article examines the asymmetric effects of renewable energy on sustainable economic growth across six South Asian countries from 2000 to 2023, employing panel data and threshold regression analysis. The findings indicate that CO2 emissions must remain below a threshold of 2.38% to support the integration of renewable energy with sustainable growth. Furthermore, access to clean energy and technologies should exceed 3.38%, and urbanization must be managed at a complementary threshold of 3.21%. These results are consistent with various studies investigating the renewable energy transition’s economic impacts globally. It is recommended that South Asia focus on reducing CO2 emissions below the identified threshold, enhancing clean energy access and innovation above the designated thresholds, and supporting urban growth as part of its policy initiatives. Such actions are essential for fostering economic growth and ensuring the sustainability of the region. The study recommends that the South Asian region take decisive steps to reduce CO2 emissions and enhance access to clean energy while accommodating urban population growth. It highlights the importance of transitioning to renewable energy to stimulate economic growth and maintain trade and foreign direct investment (FDI) as a viable part of the gross domestic product. The study suggests that investments in Gross Capital Formation (GCF), trade, and FDI will yield long-term benefits, although short-term policy adjustments may disrupt resource allocation and hinder economic and renewable energy development. Future research should explore the complex interactions between CO2 emissions, clean energy access, FDI, and trade, particularly in light of recent trade policies, including U.S. tariffs. Investigating these relationships through advanced methodologies, such as machine learning, could provide valuable insights into drivers of renewable energy transition and economic outcomes. Full article
(This article belongs to the Topic CO2 Capture and Renewable Energy, 2nd Edition)
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37 pages, 11435 KB  
Article
Hybrid Energy-Powered Electrochemical Direct Ocean Capture Model
by James Salvador Niffenegger, Kaitlin Brunik, Todd Deutsch, Michael Lawson and Robert Thresher
Clean Technol. 2025, 7(3), 52; https://doi.org/10.3390/cleantechnol7030052 - 23 Jun 2025
Viewed by 913
Abstract
Offshore synthetic fuel production and marine carbon dioxide removal can be enabled by direct ocean capture, which extracts carbon dioxide from the ocean that then can be used as a feedstock for fuel production or sequestered underground. To maximize carbon capture, plants require [...] Read more.
Offshore synthetic fuel production and marine carbon dioxide removal can be enabled by direct ocean capture, which extracts carbon dioxide from the ocean that then can be used as a feedstock for fuel production or sequestered underground. To maximize carbon capture, plants require a variety of low-carbon energy sources to operate, such as variable renewable energy. However, the impacts of variable power on direct ocean capture have not yet been thoroughly investigated. To facilitate future deployments, a generalizable model for electrodialysis-based direct ocean capture plants is created to evaluate plant performance and electricity costs under intermittent power availability. This open-source Python-based model captures key aspects of the electrochemistry, ocean chemistry, post-processing, and operation scenarios under various conditions. To incorporate realistic energy supply dynamics and cost estimates, the model is coupled with the National Renewable Energy Laboratory’s H2Integrate tool, which simulates hybrid energy system performance profiles and costs. This integrated framework is designed to provide system-level insights while maintaining computational efficiency and flexibility for scenario exploration. Initial evaluations show similar results to those predicted by the industry, and demonstrate how a given plant could function with variable power in different deployment locations, such as with wind energy off the coast of Texas and with wind and wave energy off the coast of Oregon. The results suggest that electrochemical systems with greater tolerances for power variability and low minimum power requirements may offer operational advantages in variable-energy contexts. However, further research is needed to quantify these benefits and evaluate their implications across different deployment scenarios. Full article
(This article belongs to the Topic CO2 Capture and Renewable Energy, 2nd Edition)
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