With less than two years to go until the start of the IMO’s introduction of a global sulphur cap the adoption of scrubbers remains stubbornly low.

Just 240 vessels have the devices fitted as of 1 December 2017, according to figures compiled by Clarkson Research Services (CRS).

Passenger vessels make up almost half of these ships comprising 57 ro-ros, as well as 62 cruise and ferry units.