Fuel Oil is a heavy, viscous liquid fuel that is a residue from the crude oil distillation process. Due to its high energy content and affordable price, it’s used in various industries. In this category, we comprehensively explore mazut, from its complex production process to its different types, physical and chemical properties, various grades, and its wide-ranging applications in the industrial, power generation, and marine transport sectors. As one of the most important fossil fuels, mazut plays a vital role in providing energy for heavy industries and shipping.