A DIY for a portable high efficiency wood gasifier backpacking stove. It is small light and only needs a handful of twigs to boil a few cups of water. A great alternative for longer hikes where you don't want to carry lots of fuel. www.theoutdooradventure.net As featured on: Treehugger: www.treehugger.com/clean-technology/build-ultra-efficient-diy-wood-gasifier-backpacking.html and Permaculture Magazine: www.permaculture.co.uk/videos/diy-how-make-backpacking-wood-gasifier-stove