Fuel oil is an oil distillate commonly used for home heating. Fuel oil has a distillation value of approx. 204.44 °C with 10 % point utilization and approx. 337.77 °C with 90 % space utilization. Quality is defined by ASTM D396.
Simple definition of fuel oil
Fuel oil is a lighter type of oil or a liquid by-product made of petroleum and used for the power industry, in particular as regards heating. If it is made of refined petroleum, then there are two main categories to classify it. One of them is a distillate oil, which includes diesel fuel (usually used for home heating), and the other is a residual-type oil, which includes kerosene. Various types of fuel oils are classified within the two categories.