Shipowners are reporting that they have purchased IMO 2020-compliant very low-sulphur fuel oil (VLSFO) — but testing has revealed sulphur levels in excess of the 0.5% limit.

Just a week into the new regulation, the North P&I Club said it has received enquiries from concerned shipowners on how to ­handle the problem.

Owners have bought fuel in good faith with a bunker delivery note (BDN) specifying a sulphur content below 0.5%,