Bioenergy, including biofuels, could become a substantial tool for mitigating greenhouse gas emissions, locally and globally, possibly providing a large fraction of global primary energy supply by 2020. Exactly how large that share will be is not possible to predict with any precision, being...

This paper summarizes and organizes presentations in the Round Table's presentations and discussions, draws conclusions when possible, and points out where opinions differ. It is divided in three main sections. First, the presentations and discussions provided an overview of the advances,...