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Christopher’s assignment? Source metal scrap with the right chemistry and physical properties to match the rigorous standards for engine parts. That’s easier said than done.

“Buying scrap isn’t hard,” explains Thomas Lindstedt, Production Manager. “But buying scrap with the exact chemistry we need can be tricky. Some trace elements can destroy the properties of the iron.”

Thomas highlights the complexity: “What Christopher has done is deep engineering. He found the sweet spot, combining materials in a way that reduces emissions and cost, without compromising quality.”

Christopher clarifies, “Each potential scrap source undergoes rigorous testing to see if there are any casting defects. It involves small test batches, larger trials, and full-scale production runs over time.”

“We also started reusing copper scrap from our Oskarshamn site, parts they can’t use anymore in their welding process. Instead of selling that scrap, we melt it down and turn it into new engine parts,” Christopher says. The result? Reduce waste, cut transport costs, and lower emissions all within ���ϲ�����.

The results speak for themselves: In 2024 alone, the foundry cut the cost per melt by 7%.

To put that in perspective, a single melt is like baking a large batch of metal "dough" – it’s one full furnace load that produces enough material for 72 cylinder heads. With thousands of melts processed over the year, those savings add up.

This shift also contributed to a reduction of about 8,000 tonnes CO₂e – that’s roughly taking 1,700 cars off the road for a year.

With these initial achievements, the foundry is moving forward, encouraged to pursue even greater emissions reductions and cost savings in 2025.

The foundry isn’t stopping here. It’s also part of the project CASTWELL, a Swedish initiative led by RISE (Research Institutes of Sweden) and other industry leaders, aimed at identifying CO₂ hotspots and developing climate-neutral foundry practices by 2040.

Christophere adds: “The most important part of this circularity project is that we're all working towards the same goal – producing the best engines on the market in the most sustainable way possible, minimising our environmental impact.”