Rio Tinto Alcan, a unit of global mining giant Rio Tinto said on Monday it could invest up to 2.5 billion US dollars in a potential aluminium smelter in Paraguay.

President Fernando Lugo Rio Tinto Alcan, a unit of global mining giant Rio Tinto formally presented on Monday plans to invest 2.5 billion US dollars in an aluminium smelter in Paraguay, according ...

Rio Tinto paid USD 44 billion (including assumed debt) for Alcan, a Canadian based bauxite, alumina and aluminum producer, in 2007 but ultimately incurred write-downs of more than USD 23 billion ...