UK-Australia resource frm Rio Tinto produced less aluminium, bauxite and alumina in 2021 than in 2020, but received sup- port from a signifcant rise in aluminium prices. Aluminium output of 3.15mn t was 1pc lower than in 2020 with October-December output of 757,000t down by 7pc on the year and by 2pc on the quarter, the frm said in its latest production update.
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