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On a scorching August day in southwestern Indiana, the giant Gibson generating station is running flat out. Its five 180-foot-high (54.9-meter-high) boilers are gulping 25 tons (22.7 metric tons ...

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Coal companies want a relaxation of coal ash standards, and wrote a letter to the Environmental Protection Agency to request ...

Carbon monoxide from the burning coke combines with the oxygen to strip it away, purifying the iron for use as steel but also forming the planet warming greenhouse gas, carbon dioxide.

Steelmaking is an energy intensive industry, whose heavy reliance on fossil fuels creates significant pollution. Using renewable, clean energy sources for steel production is one approach to ...