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How to make steelmaking 'green?' Add some plastic. | csmonitor.com: "SYDNEY A trash bin is not the first place most people would search when hunting for ingredients to make steel.
But to Veena Sahajwalla, plastic castoffs represent a potential 'green' solution to some of the environmental problems that result when today's scrap metal is converted into tomorrow's girders. Where today's furnaces use coal, she envisions partially replacing it with waste plastic. Think of it as 'beating' plastic grocery bags into plowshares."