What is the marine fuel What harm does it bring

Ocean-going vessels: fuel oil is mainly divided into two categories, light oil and heavy oil, light oil is marine diesel fuel, that is, MGO and MDO, etc., in the maneuvering voyage, such as in and out of port, in and out of the narrow channel, windy and rough weather; fuel oil (heavy residual fuel oil) is often referred to as 180 and 380 cSt, etc., for normal navigation at sea. Therefore, the whole fuel system of these ships is divided into completely independent systems - diesel fuel system and high viscosity fuel oil system. There are also some ocean-going vessels that use only heavy fuel oil as raw material and do not use diesel fuel. When refueling such vessels, the effect of limiting the sulfur content must be considered, especially when the destination port is in the European Union (environmental factors).

Generally inland small vessels: most use diesel fuel, both light and light diesel fuel, and also use a No. 4 oil is a blend of heavy diesel fuel and fuel oil, the properties of fuel oil and diesel fuel