smog will be self-correcting... no worries.

in a couple of years when the economy collapses and the currency goes to the dump, there will be massive factory shut downs and fewer people will be able to afford cars.

therefore this problem is self-correcting.

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good point ! -Mao_8341- 给 Mao_8341 发送悄悄话 (0 bytes) () 12/21/2016 postreply 12:52:13

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