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7月29日，奥钢联官方发布消息，旗下多纳维茨厂生产出首根“绿色钢轨”，并在奥地利林茨中央车站完成铺设。该钢轨采用废钢和氢气直接还原纯铁（HYFOR技术）制成，生产过程完全零化石燃料使用，近零二氧化碳排放。
奥钢联称，用氢气直接还原铁生产的钢轨，硬度与耐磨性和常规工艺生产的钢轨相当。其铁路系统子公..
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