It is presented that eliminating and controlling the current automotive exhaust emission should be important and urgent in China, and the Chinese state emission standards have been getting stricter and stricter. Also the present purification technologies for automotive exhaust are elucidated. It is indicated that the development and the commercialization of Rare Earth based on three way catalytic converters is pretty necessary and urgent to address the current harsh automotive exhaust emission problems in China. In addition, the future automotive exhaust purification technologies are prospected.
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