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The carbon footprint of citrus exports via the Port of Durban: A container barge system analysis
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The carbon footprint of citrus exports via the Port of Durban: A container barge system analysis
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Journal Article
The carbon footprint of citrus exports via the Port of Durban: A container barge system analysis
2025
Overview
BackgroundThe Port of Durban in South Africa has faced significant road congestion for many years. To address this, the fresh-produce industry proposed a cross-harbour container-handling barge system. The citrus industry requested this study to evaluate the potential carbon footprint impact of such a system on citrus exports transported in reefer containers around the port.ObjectivesThis study aimed to assess whether a barge system could reduce the carbon footprint of citrus exports and alleviate road congestion to improve the export supply chain’s efficiency.MethodUsing an exploratory case study with primary and secondary data, the research applied a deductive approach to theory development. Carbon emissions were calculated for three scenarios: the current system, the proposed barge system and a combined system.ResultsThe carbon emissions for the three scenarios are as follows: current system: 25.20 kg CO2e per reefer; proposed system: 17.43 kg CO2e per reefer; and combined system: 20.61 kg CO2e per reefer. However, the proposed system does not have sufficient capacity to handle all the reefer containers in a given citrus season.ConclusionThe combined system is the logical choice. The combined system shows a CO2e emissions saving of approximately 18% per reefer compared to the current system.ContributionThis study explores the carbon reduction and congestion alleviation benefits of a cross-harbour barge system at the Port of Durban. Unlike existing literature on inland waterway barge systems, it provides a port-specific analysis and is among the first to quantify CO2e emissions for citrus exports using a barge system.
Publisher
AOSIS,African Online Scientific Information Systems (Pty) Ltd t/a AOSIS,AOSIS (Pty) Ltd
Subject
barge co2 equivalent emissions
/ barge CO2equivalent emissions
/ Carbon
/ Citrus
/ Cold
/ Exports
/ Fruits
/ Ports
/ Rivers
/ Ships
