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A comment on Car exhaust filters fail to clean up ‘ultrafine’ air pollution. Parent comment

Re:Car exhaust filters fail to clean up ‘ultrafine’ air poll... by alex_duf on Sunday April 09, 2023 @09:48AM (#35502695)
I'm hearing both arguments from pretty reasonable people and I can't seem to make up my mind on this issue.

Some are saying: yes it's a massive issue, and some are saying nah it's not, I can't seem to find a consistent view on this issue.

[ Parent | on HN ]
Re:Car exhaust filters fail to clean up ‘ultrafine’ air poll... by 6510 on Sunday April 09, 2023 @11:52AM (#35503878)
We should just go back to this...

http://jaar2014.middendelfland.net/middendelfland/metdetreks...

or even better!

https://nl.pinterest.com/pin/pin-op-history-color--119486196...

[ Parent | on HN ]