I met Hemon Dey on a visit to Atamai Eco Village near Motueka in August. Hemon has been writing about his experiences with moving to Atamai in http://ourecolife.blogspot.com/
He has also been busy on the biochar front. Check out his journey so far, exploring biochar production using anila and rocket stove systems…
http://ourecolife.blogspot.com/2014/08/charry-charry-night.html