Fuel oil, a broad term encompassing various heavy petroleum fractions,
Understanding Fuel Oil:
Derived from crude oil through a refining process, fuel oil exists in various grades, categorized by their viscosity (thickness) and sulfur content. Lighter grades, like marine gas oil (MGO), boast lower viscosity and are used in marine engines and other applications requiring clean burning. Heavier grades, like high-sulfur fuel oil (HSFO), have higher viscosity and find use in industrial boilers, furnaces, and power plants due to their affordability and energy density.