Delays in scrubber installations, time-consuming barge cleaning and insufficient supply of compliant fuel are leading to chaos in the bunker market, where the discount of high-sulphur fuel oil (HSFO) to 0.5%-sulphur fuel will widen to $400 per tonne in January, according to consultancy Alphatanker.

Based on IMO rules, nearly all vessels will need to switch from HSFO to new grades of 0.5%-sulphur