Aluminium is a resource introduced in the Modern Age. To obtain it players must first research and build the Aluminium Plant. The efficiency of producing Aluminium can be increased with a Bauxite Laboratory.
Aluminium is the resource that replaces Coal during the Modern Age. (Coal replaces Wood earlier on during the game) It is mostly used in small amounts, due to the the difficulty of receiving it. Much like the Iron in the Classical age. It is used to build several buildings including "Mall" "Vehicle bay" and many more it is also used to upgrade buildings.