UN is doing something already. By January 2020, the limit for Sulphur in fuel oil used on board ships operating outside designated emission control areas will b

UN is doing something already. By January 2020, the limit for Sulphur in fuel oil used on board ships operating outside designated emission control areas will be reduced to 0.50% m/m (mass by mass). http://www.imo.org/en/mediacentre/hottopics/pages/sulphur-2020.aspx http://www.imo.org/en/mediacentre/hottopics/pages/sulphur-20...