三井金属は、ディーゼルエンジン排ガスの浄化触媒として、従来のPt（白金）に代えて安価なAg（銀）を使った触媒の開発に成功した。PM（粒子状物質）を浄化する性能を維持しながら、貴金属コストを90％以上削減した。
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raremetalとdieselに関するkaorunのブックマーク (1)
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kaorun 2008/04/24
これは実用化されたらすごいね。- raremetal
- diesel
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