But how green is green steel really?

SVT's financial reporters believe that it depends on what electricity the companies use in the process.

- If, as in Sweden, you have a lot of fossil-free electricity, it will be very green steel.

But if you instead have an electricity that comes from oil or coal power plants, well, then the coal will not be so green at all.

See in the feature how much emissions are reduced if the three companies succeed in their goals.