Dump the tubes
July 9th, 2009Here’s a presentation we made at the FEPE 2009 conference. It’s designed to be presented rather than read but there are some good resources in here. Click here to download
Outdoor economics
July 8th, 2009This is a 1 page pdf summing up the economic case for replacing tubes with a Bright Green system - just click here to download.
For a more detailed analysis - click here to download a presentation