A brand new study (Jan.2013) from The University of Montana (College of Forestry and Conservation) modeled economic feasibility of biomass delivery across fuel and product prices.
Financial feasibility delivering biomass: Biomass prices more sensitive than diesel price in Montana (US)
One recent article, presented energy costs from bioenergy crops in the United Stated to be from 22$/dt (dried ton) to 110$/dt depending on crops and regions. Switchgrass and Short Rotation coppice with willows and poplar are the best known alternatives. But so many other species should be addressed.
Find here 8 excellent recommendations to consider when harvesting forest biomass. All of them are already well established and studied and linked to useful references and citations from highly reputed scientific journals and publications.
BIORAISE is a computer GIS based tool specifically designed for the calculation of agricultural and forest biomass resources, collection and transportation costs around selected locations in the Mediterranean UE countries: Spain (except Canary Islands), Portugal, France, Italy and Greece.