Aluminium / Aluminum resource

A key industrial metal missing from the industrial complex is Aluminium. In order to process this the bayer process would be needed, which would require crushing, caustic treatment (the opposite of using an acid) and then electrical casting, and also result in a caustic byproduct either needing dumping or treating with acid to neutralize. the casting should require a big amount of power like in real life so would add a bit more cost to production. . This metal could be incorporated into later game for electronics/chips, some machine/equipment parts, as well as luxury (Co2, sugar, aluminum for cans)