The solar farm could displace up to 11% of natural gas currently used for generation across Rio's integrated mining operations in the Pilbara.

The companies bought a controlling stake in the Rio de Janeiro facility from MMX Mineracao & Metalicos in 2014.

Iron ore prices are expected to remain under pressure from dwindling demand in the short term.

The miners will equally share the cost of any damages related to proceedings in Britain over the 2015 disaster.

The dual-fuel engines made by Cummins will be retrofitted to the mining company's existing fleet of diesel-powered haul trucks.

The steelmaking material rallied as much as 3.6% in Singapore on Thursday, following days of fluctuations.

The deal would have put an end to a work stoppage that started at the end of May.

A wave of cheap supply starts to build in West Africa.