The measurements, carried out using a "sniffer" located at the Älvsborg Fortress, in the fairway leading in to the port, found that an estimated 20% of the 200 vessels measured emitted more than the regulation quantity of sulphur, while the remaining 80% were approved.
Measuring the sulphur and carbon dioxide levels in ship emissions, the sniffer was developed by Chalmers University of Technology with support from Vinnova, the Swedish Environmental Protection Agency and Gothenburg Port Authority.
"It is incredibly positive to see that the new rules are having such an effect and that sulphur emissions are falling,” said Edvard Molitor, senior manager environment at the Port. “At the same time there is still uncertainty regarding the control system for vessels that are failing to comply with the rules. The industry has reason to be concerned that less serious shipping companies will not follow the rules and that this will lead to a distortion in competition.”
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