Starting in January 2020, marine fuel’s sulfur content was reduced 7 fold, from a max of 3.5% before to 0.5% now, out in the blue waters. Within 100 miles of th

Starting in January 2020, marine fuel’s sulfur content was reduced 7 fold, from a max of 3.5% before to 0.5% now, out in the blue waters. Within 100 miles of the US coast, the limit has been 0.1% since 2015. https://www.epa.gov/diesel-fuel-standards/diesel-fuel-standards-and-rulemakings https://www.epa.gov/diesel-fuel-standards/diesel-fuel-standa...