- LSFO stands for fuel oil with sulphur content of between 0.5% and 1.0%.
- VLSFO for fuel oil with a sulphur content of less than or equal to 0.5%
- Ultra low-sulphur fuel oil (ULSFO) for fuel oil with sulphur content of less than or equal to 0.1%.
- Refineries that lack the technology to product VLSFO outright, may produce LSFO and blend it down to IMO-compliant levels.
According to an article published in Reuters, global oil refiners have upgraded processing units and adjusted operations to raise...
http://mfame.guru/global-refiners-ready-with-cleaner-shipping-fuel-ahead-of-imo-2020/