Extreme source separation. And laws that impose waste-management costs on manufacturers. See https://news.ycombinator.com/item?id=19411646 https://news.ycombina

Extreme source separation. And laws that impose waste-management costs on manufacturers. See https://news.ycombinator.com/item?id=19411646 https://news.ycombinator.com/item?id=19411646 and https://news.ycombinator.com/item?id=19411250 https://news.ycombinator.com/item?id=19411250