Invention of the Month – The Green Steam Engine
This one has been around a while, and has met the test of time. It’s a reliable design, and we think it’s awesome. See more at http://www.greensteamengine.com
Related posts:
- [Green-Trust CHP] The Green Steam Engine
- The Green Steam Engine
- ESSN had a phenomenal month
- Want to support Green-Trust’s Research?
- [Green-Trust Off Grid] Trip to Woodhenge
