To scrub or not to scrub One way or another, ship owners are soon going to have to make big, and in some cases expensive, changes to meet compliance. New International Maritime Organization (IMO) regulations coming into force at the start of 2020 will slash the allowed concentration of sulphur oxides in fuel from the current 3.5% to just 0.5%. While strict sulphur limits had already been a fact of life for operators sailing in Emission Control Areas in Europe and North America, these new ca