Sustainable technology PDFs

Chris writes “Selected articles from past issues of ReNew magazine (sustainable technology – lots of DIY/MAKE-type articles). Of interest in light of recent blog entries see “Issue 83: Biodiesel on the farm – One Victorian farmer is running all his vehicles and machinery on biodiesel he makes from his own oilseed crop. He even supplies his own biodiesel recipe tips.” I’ll be reading a lot of these! Link.