Biofuel from logging residues

Sales of biofuel traditionally is about stemwood but here we are fucossing on logging waste that are generally just left behind thus have no price. In this book it is about more energyrich components of the tree from components that makes it energyrich to how to handle it from tranports to measuring the load/products store it and making fuel of it. Moreobver the aim of this book is to make productivity studies and determine roughly the production costs.