Inside the gigafactory producing the greenest batteries in the world

On a journey out of Skellefteå, an industrial town in the north of Sweden, I pass several large factories. But they are all dwarfed by my destination – Northvolt Ett, the first battery “gigafactory” to begin production in Europe.

“You need to see it to believe it,” says Anders Thor of Northvolt, the firm behind the factory. He isn’t wrong. As Thor points out, the Pentagon – the largest office building in the world and home to the US defence department – could fit into …