News for hackers. Stuff that matters.

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 seattle_spring on Sunday April 09, 2023 @12:07PM (#35504019)
Just curious, why are you, jeffbee, and several other commenters being so hostile here to anyone who asks any questions?
[ Parent | on HN ]
Re:Car exhaust filters fail to clean up ‘ultrafine’ air poll... by 6510 on Sunday April 09, 2023 @12:31PM (#35504216)
No hostility intended.
[ Parent | on HN ]