MAN Diesel & Turbo has undertaken a survey of its customers in the container, bulk and tanker industries to determine attitudes towards slow steaming – particularly with regards to fuel savings and emissions.
The web-based survey was based on multiple-choice questions. Of some 200 respondents, 149 had implemented slow steaming. Thirty eight of these had carried out propulsion machinery modifications to better accommodate a slow steaming regime.
According to MAN, the results of the survey indicated a clear distinction between those who had undertaken retrofit, such as engine derating, slide fuel valves, turbocharger cut-out, or propeller upgrade, and those who had not. Both groups, however, agreed that the main reason for slow steaming was saving fuel.
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