Shooting rubbish at 50mph for a cleaner residential development
Read all about it here: http://www.ecofriend.org/entry/eco-tech-shooting-rubbish-at-50mph-for-a-cleaner-residential/
I read that this is already happening is other cities in the US.
This is a vacuum tube waste collection system, and they work great. Particularly for large stadiums, and dense developments with lots of pedestrian traffic and "waste" generation.