This term encompasses a broad spectrum of diesel and related petroleum products used across multiple industries. It includes not only finished diesel fuels but also a range of intermediate products such as LAGO, HAGO, VGO, coker gas oil, and hydrocracked gas oil. These products serve as essential feedstocks and fuels in refining, transportation, and energy generation. Their composition and properties vary depending on their specific application, refining process, and performance requirements, making them a vital part of the global energy supply chain.