Mining News -The two companies are Alcoa Inc. and Rio Tinto Group, which belong to the world`s larger aluminum producers. The two companies have jointly established a joint venture called Elysis to further enhance patent technology cooperation.

The purpose of the two companyies` cooperation was to achieve more large-scale production and commercialization, and planned to implement technology licensing in 2024. The new technology will eliminate greenhouse gas emissions from traditional aluminum smelting processes.