Year: 2025
Type: article
Abstract: The maritime sector, responsible for approximately 2.5% of global carbon dioxide emissions, faces mounting pressure to implement sustainable practices in line with international decarbonization goals. Wind energy has emerged as a promising solution, with innovative applications being explored to enhance fuel efficiency and reduce emissions. This study undertakes a comparative evaluation of two vessels—Vindskip and Pyxis Ocean—that integrate wind power through distinct technological approaches. Vindskip utilizes an aerodynamic hull design, functioning as a large airfoil to harness wind energy directly for propulsion. This innovative concept has the potential to achieve fuel savings of up to 60% and greenhouse gas emission reductions of approximately 80%. In contrast, Pyxis Ocean employs a wind-assisted propulsion system, utilizing rigid OceanWings sails as a supplementary energy source. This retrofitting approach enables fuel consumption reductions of around 30%, offering a scalable and practical solution for existing vessels. The comparative analysis examines these vessels across critical performance metrics, in cluding energy efficiency, emissions reduction, scalability, and technological maturity. Vindskip exemplifies a forward-looking design for next-generation maritime operations, while Pyxis Ocean demonstrates the feasibility of integrating renewable energy technologies into current fleets. The findings highlight the complementary roles of innovative vessel designs and retrofitting solutions in advancing the maritime industry’s transition to ward a sustainable and low-emission future.
Authors: Florin Barbu, Costel Ungureanu, Eugen Victor Cristian Rusu
Institution: "Dunarea de Jos" University of Galati
Language: English
Subfield: Environmental Engineering
Field: Environmental Science
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W7129509487
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