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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 coredog64 on Sunday April 09, 2023 @11:47AM (#35503830)
Agreed, but the point here is that there are diminishing returns. Absolutely keep an eye on it, but now lets move on to the next thing that we can move the needle on.
[ Parent | on HN ]
Re:Car exhaust filters fail to clean up ‘ultrafine’ air poll... by amluto on Sunday April 09, 2023 @03:05PM (#35505479)
Or pay attention to exhaust from the remaining highly polluting sources. For example, two-stroke gardening equipment (and bad four-stroke equipment), some trucks (where are the AI-powered freeway cameras detecting gross polluters), motorcycles, etc.
[ Parent | on HN ]