As international trade expanded and flourished throughout the 20th century, so too did the complexity of classifying and tracking the immense variety of goods being traded. To navigate these challenges, the World Customs Organization (WCO) devised the Harmonized Tariff System, also known as the Harmonized System (HS) of tariff nomenclature. This internationally standardized system of names and num...
All commercial cargo ships run on bunker fuel, which is either marine gas oil (MGO), marine diesel oil (MDO), intermediate fuel oil (IFO), marine fuel oil (MFO), or heavy fuel oil (HFO). These fuels have a high sulphur content which is detrimental to the environment. Since the 1960’s, the International Maritime Organization (IMO) has been trying to decrease the impact of transportation on the envi...