Top 10 US-based miners

The world's largest aluminium producer outside China has been restoring operations after US sanctions were lifted in January this year.

The new rules are being put into place after years of sharp spikes and declines in the LME inventory levels attracted criticism that the data was unreliable.

Global aluminium production fell by 0.5% in the first half of this year, according to the International Aluminium Institute.

In May, the United States lifted the Section 232 tariff of 10% imposed on Canadian imports of aluminium, a vital ingredient for auto makers, drinks firms and military equipment companies.

State-owned PT Indonesia Asahan Aluminium will earmark as much as $10 billion over the next five years to develop refineries and smelters.

The company plans to use aluminous clay from Cadoux to produce high purity alumina for the tech industry.

Rio Tinto restarted the sale process for the assets in late 2018 after Norwegian aluminium company Norsk Hydro pulled out of buying them.

Aluminij, among Bosnia's biggest exporters, has been in trouble for years over debt accumulated because of high alumina and electricity prices.

The U.S. Commerce Department has agreed to Tesla's request to waive 10% tariffs on imported aluminum from Japan.