Woody Materials
Trees, forest products, wood waste and other woody materials hold much promise as a source for renewable energy. There is a great deal of research and development of production, processing and handling methods for woody materials. 
Links
Biomass Utilization and Restoration Network for Upper Peninsula (BURN-UP)
MSU Extension Forestry Team - Publications
US Forest Service - Woody Biomass Utilization
MAES Retools, Renames Facility to Fuel Michigan's Bioeconomy Efforts