[1] Marine diesel oil has been condemned for its nimiety of sulfur, so many countries and organizations established regulations and laws on MDO use.
Due to its lower price compared to more refined fuel, MDO is favored particularly by the shipping industry.
[3] And the amount of cracking is limited by the overruling requirement to safeguard the heavy fuel stability.
[2] This small sales share of MDO is due to the high proportion of petroleum resid that made it can be used on large marine engines.
Among those regulations, MARPOL (the International Convention for the Prevention of Pollution from Ships) is the most widely adopted one.
[2] MARPOL is the main international convention covering the prevention of operational or accidental pollution of the marine environment by ships.