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Volvo uses the world’s first green steel to make itself a dump truck



Heavy industry accounts for 7% of all greenhouse gas emissions, and now the industry’s going zero emissions.


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The world’s steel producers need a makeover. Their industry is one of the dirtiest, and it’s blamed for about 7% of all global carbon emissions with the biggest producers essentially still relying on the same manufacturing processes they used over a century ago. Now, with almost runaway global warming – which we can solve – they face a reckoning and know they must adapt to survive in a low carbon future, and adapt one of them has – by developing the world’s first green steel that I wrote about a while ago.


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A little while ago Sweden’s SSAB teamed up with utility Vattenfall and miner LKAB to produce the first fossil free steel by substituting energy generated by coal with energy generated by zero emission green hydrogen. And deliveries of the clean metal started in August, with the first customers including Volvo, Mercedes and cargo company Cargotec Oyj of Finland who have all now used it to make their first green steel products.


The world’s first vehicle made from green steel. Courtesy: Volvo


The process to make green steel all starts at LKAB’s mines deep inside the Arctic Circle. The area has one of the richest iron ore deposits in the world, and the raw material has been extracted from there since the late 19th century. The stuff is mixed with additives and rolled into pellets about the size of a marble — but heavier — and then taken by electric train to Lulea, home to the hydrogen powered Hybrit works which is a venture between the companies, who are spending 2 billion Swedish Kronor ($232 million) on a trial run through 2024.


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Many producers are pursuing green steel, but huge barriers remain. So far the projects are limited to pilot projects capable of producing only small amounts of the alloy, and they have higher operating costs than carbon-intensive methods. Spotify’s billionaire founder, Daniel Ek, is backing H2 Green Steel, a Swedish startup set to begin production by 2024.

The steel industry needs investments of $30 billion annually just to keep pace with demand over the next 30 years, according to the Mission Possible Partnership, an advocate for speeding up decarbonization in the highest carbon emitting industries. Making those assets Net Zero compliant will require another $6 billion a year.

Hybrit’s path to green steel continues in a tent about the size of an ice hockey rink, with heaps of the pellets riding a conveyor belt to the plant. Inside, they’re heated and then shaped into bricks of sponge iron — the raw material for steelmaking. What’s unique is Hybrit’s use of green hydrogen, which is still a nascent technology but already central to many of the net zero pledges made by the European Union and China.


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Hybrit burns the clean fuel — and not dirty coal — to remove oxygen from the iron ore. That emits only water vapor. Hydrogen isn’t a new invention — it’s been used in airships and space rockets — but producing it with renewable energy makes it virtually emissions-free. Governments and companies want to use green hydrogen to power vehicles, ships, planes and factories.

While northern Sweden is rich in renewable energy, the weather makes supplies intermittent so the Hybrit project is assembling a storage system for green hydrogen.

“The industry wants to run 24/7,” said Mikael Nordlander, a decarbonization executive at Vattenfall.

The prototype will be buried about 30 meters underground. Since spring, workers have been blasting away granite and gneiss. It’s wet, smelly and noisy. After completion, the fuel will be held in a tank about 100 cubic meters in size, equal to a couple of shipping containers. If tests are successful, the setup could be supersized to hold 1,000 times more hydrogen — enough to fill London’s Royal Albert Hall.


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What comes out of the Hybrit plant is fossil-free sponge iron brickets, resembling a cluster of soap bars. They’re shipped to SSAB’s plant in Oxelosund, south of Stockholm. The first steel plates were made this summer and delivered to Volvo in August.

Volvo unveiled then unveiled the first vehicle made with green steel last week. The electric dump truck weighs 8 tons, has a virtual driver and is meant for quarries and mines.

“If you look into the microscope, the steel is identical,” said Lars Stenqvist, Volvo’s Chief Technology Officer. “Going fossil free is something many of our customers are asking for so we’ll be using green steel to make more vehicles in the future.”

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