Steel production emits lots of CO2. In the future, instead of burning coal or oil in the process, producers could tap solar energy. Researchers in Switzerland are working with so-called “thermal ...
According to an SMM survey, as of November 28, the total social inventory of lead ingots in five regions surveyed by SMM decreased to 58,000 mt, down 6,400 mt compared to November 21 and down 5,300 mt ...