AUTHOR=Hess J. Richard , Ray Allison E. , Rials Timothy G. TITLE=Editorial: Advancements in Biomass Feedstock Preprocessing: Conversion Ready Feedstocks JOURNAL=Frontiers in Energy Research VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2019.00140 DOI=10.3389/fenrg.2019.00140 ISSN=2296-598X