The Promise of Carbon-Neutral Steel
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Highlights
- Instead of using carbon to remove the oxygen from ore, creating CO2, we can use hydrogen, creating H2O—that is, water. Many companies are working on this approach; this summer, a Swedish venture used it to make steel at a pilot plant. If the technique were widely employed, it could cut the steel industry’s emissions by ninety per cent, and our global emissions by nearly six per cent. That’s a big step toward saving the world.