Refineries are industrial facilities that process raw materials, such as crude oil, into useful products. They use various methods to separate and transform these materials into fuels like gasoline, diesel, and jet fuel, as well as other products like lubricants and asphalt. The refining process involves heating, distillation, and chemical reactions to create the desired outputs. In addition to oil, refineries can also process other resources, such as natural gas and biofuels. These facilities play a crucial role in the energy industry, ensuring that we have the fuels needed for transportation, heating, and electricity generation, while also contributing to the economy by creating jobs and supporting local communities.