The bright future of solar thermal powered factories

The 100 companies responsible for 71% of CO2 emissions largely emit through fossil fuel use. (i'd be remiss to not mention we use some of the products)

Don't know about steel, but iron from ores could be done at lower temperatures.

Although it takes kindah long, and somewhat assumes it doesn't immediately oxidize since it's so powdered.. Maybe if compressed while still in H2 it will weld and be more of a single chunk..

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