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by onlyrealcuzzo 2517 days ago
It did not. But I think that's a HUGE consideration, as is the potential to reduce particulates in the air dramatically.

Here's a link to the discussion: https://news.ycombinator.com/item?id=20543605 -- on mobile so I can't figure out how to get the comment URL. If you're interested, just go there and search for my username -- onlyrealcuzzo. I'd love a second set of eyes on it. Not sure the math is right.