The main process used to make iron today — melting ore in searing-hot blast furnaces driven by burning fossil fuels — has remained largely unchanged for centuries. As the industry has sought ...

Restricted copper concentrate supplies have producers in China considering boosting scrap percentages at melt shops, ...

PORTLAND, Ore. (KOIN) — Slick roads and icy conditions remain from Friday morning’s snow and ice event as the melting transition begins. A layer of mainly snow remains Friday as skies dry and ...

PORTLAND, Ore. (KOIN) — The threat of snow is gone ... It’s a combination of warmer weather and soaking evening rains that will help melt the snow quickly around Portland.