Port call optimisation pilot projects reveal significant emissions savings potential, new report shows
Commercial ships spend between 4% and 6% of their operating year waiting outside ports. That idle time is one of the clearest inefficiencies in shipping, and a combination of slower sailing speeds and port call optimisation can reduce the emissions and fuel currently wasted as ships await an available berth. Instead of sailing fast only ...
Commercial vessels typically spend 4% to 6% of their operating year idling outside ports, a significant inefficiency that contributes to wasted fuel and emissions. Cargill Ocean Transportation sought to improve upon this by testing port call optimisation in combination with slower sailing speeds during live commercial operations.
The company conducted pilots at two Australian ports and one in Brazil, evaluating three different mechanisms across 16 voyages, and published their findings in a new Global Maritime Forum report. The report details the interdependent relationship between optimising port call times and reducing vessel speeds, highlighting the potential emissions savings observed in Cargill's pilots.
The results ranged from an average reduction of 22-51 tonnes of carbon dioxide per voyage, demonstrating the feasibility of applying these strategies to the broader maritime industry.
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