8 February 2013, 14:52
http://www.youtube.com/watch?v=Zzv6fIDsNwM
a system small enough to sit in your back garden, runs off wood and gives you fuel in the form of a combustible gas, charcoal and biocrude
a system small enough to sit in your back garden, runs off wood and gives you fuel in the form of a combustible gas, charcoal and biocrude