Finding better ways to provide the materials the world needs
Purpose & Values
The drive for innovation and continuous improvement is at the heart of our purpose
Business Strategy
Climate change is at the heart of our business strategy
We are 150
150 years of finding better ways
We supply the metals and minerals used to help the world grow and decarbonise
Iron Ore
Iron ore is the primary raw material used to make steel
7 things the world will need for a low-carbon future
Wind, sun and water – what else do you need to make renewable energy work?
Sustainability – the expectation, not the exception
Shaping our aluminium product offering to meet demand for greener metals
Bringing to market materials critical to urbanisation and the transition to a low-carbon economy
Look inside a mine of the future
Our most intelligent mine yet is pioneering new mining technologies
Rincon Project
A long-life, low-cost and low-carbon lithium source
Simandou Project
The world’s largest untapped high-grade iron ore deposit
Providing materials the world needs in a responsible way
Sustainability Reporting 2022
We have a responsibility to extract the full value from the minerals and materials we produce in the safest and most sustainable way possible
Climate Change
We’re targeting net zero emissions by 2050
Tailings
We’ve launched a new interactive map of our tailings facilities
We aim to deliver superior returns to our shareholders while safeguarding the environment and meeting our obligations to wider society
Results
Half Year Results 2023 released 26 July
Get the latest news, stories and updates
Nammuldi rock shelter
Our statement on the Nammuldi rock shelter
Fuelling our tanks with renewable diesel
Diesel made from renewable raw materials is helping us reduce emissions
Rio Tinto commits $150 million to Centre for Future Materials led by Imperial College London
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If you want to drive real change, we have just the place to do it
Empowering families with flexibility
Supporting new parents of any gender with equal access to parental leave
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Giant robots have long been the stuff of children's fantasies and Hollywood blockbusters; mega machines, such as Transformers, which watch over and protect humankind.
Such futuristic imaginings edged closer to reality in July 2018 when we achieved a significant milestone with the first delivery of iron ore by an autonomous train in the Pilbara in Western Australia.
The autonomous train, consisting of three locomotives and carrying around 28,000 tonnes of iron ore, travelled over 280 kilometres from our mining operations in Tom Price to the port of Cape Lambert. It was monitored remotely by operators from our Operations Centre in Perth more than 1,500 kilometres away.
Our AutoHaul™ team at the Operations Centre in Perth continued to hone the technology, running thousands of hours of tests. The AutoHaul™ project was made fully operational in June 2019, making it the world's first fully autonomous, long distance, heavy-haul rail network.
Lido Costa, principal engineer on the AutoHaul™ project, says the trains are indeed giant autonomous robots because once they are set on their course, they make all the decisions.
"There is a train controller at the Operations Centre in Perth (1,500 kilometres from the Pilbara) who sets the route. But once it's running the on-board computers and the computers at the Operations Centre take over and it makes its own decisions," says Lido.
"The network of computers makes sure the train keeps to the speed limit, makes sure it doesn't run into other trains or other trains don't run into it, makes sure there's nothing obstructing the level crossings," explains Lido.
"And there are a whole lot of other devices in place to protect people and equipment. For instance, if one of the wheels has a fault, the train will be bought to a stop. Or if one of the couplers in the train is broken, the system will pick it up and stop the train."
The main advantages to spring from the shift from manually operated trains to a fully autonomous system is safety and productivity.
In a manual system, every time one driver ends their shift and another comes on board, the train needs to stop. On a typical journey a train will stop three times, adding more than an hour to the journey. The trains that move iron ore from the mines to the port for shipping are 2.4 kilometres long.
"The time-saving benefit is enormous because the train network is a core part of the mining operation. If we can prevent those stoppages, we can keep the network ticking over, allowing more ore to be transported to the ports and shipped off more efficiently," says Lido.
"The other major benefit is safety," he continues. "We are removing the need to transport drivers 1.5 million kilometres each year to and from trains as they change their shift. This high-risk activity is something that driverless trains will largely reduce."
Lido has been involved in train technology for more than four decades. He was part of the team that built the high-speed train linking Madrid and Seville in the 1990s, worked on the underground network in Frankfurt, and was the chief engineer on the Perth to Mandurah rail line.
Implementing driverless trains is a whole other level of satisfaction for Lido. "This is by far the most exciting project I've ever worked on from the perspective of innovation and world-first technology. It is the highlight of my career."
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We’re using new technologies, data science, machine learning and artificial intelligence across our business
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