UK-Australian mining firm Rio Tinto expects to come in at the bottom of its 320mn-335mn t guidance for 2022.

The federal government also has a renewable energy target of 82pc by 2030, up from around a third currently.

The Australian and Singaporean governments have signed a green trade agreement to support trade, investment and climate change objectives.

The firm maintained its 2022-23 financial year production guidance at 58mn-64mn t.

The Argus weekly domestic US ex-works plate assessment was flat at $1,620/st.

BHP is the only one of the big four Western Australian iron ore mining firms to operate major coking coal exporting facilities.

The US shipped 139,162t to China in August, 88.8pc lower than a year earlier and 51.8pc lower than July.

Market participants report significant advancements after Brazilian electricity regulator Aneel approved temporary rules for a new demand response program, but say there is still room for improvement.