Oil refinery

''This article is under development. Would you like to contribute to this article?'' Oil refineries are goods producing industries placed on the map when it is generated. As such all maps have a fixed number of oil refineries for their entire duration. Oil refineries require oil to produce goods. Initially all oil refineries will have a maximum production of 25 goods annually however this will increase or decrease depending on the supply of oil and what percentage of this is transported to towns.