Related by context. Frequent words. (Click for all words.) 68 agricultural residues 66 Cellulosic ethanol 65 biomass feedstocks 64 corn stover 64 cellulosic feedstocks 64 Switchgrass 63 switchgrass 62 feedstocks 61 cellulosic ethanol 61 cellulosic 61 biomass feedstock 60 biomass 60 feedstock 60 cellulosic biofuels 59 woody biomass 59 cellulosic biomass 58 bioenergy 58 biorefineries 58 crop residues 57 oilseed crops 57 cellulosic biofuel 57 Bioethanol 57 biorefinery 57 biobutanol 56 Feedstock 56 biofuels 56 biobased 56 biomass fuels 55 sweet sorghum 55 corn ethanol 54 biofuel 54 biomass gasification 54 corn sorghum 54 Integrated Gasification Combined Cycle 54 isobutanol 54 ethanol 54 Biomass 54 biobased products 53 distillers grains 53 bio ethanol 53 Biochar 53 syngas 53 perennial grasses 53 bioethanol 52 livestock manure 52 renewable fuels 52 Gasification 52 biodiesel 52 coal liquefaction 52 miscanthus 52 succinic acid 52 distiller grains 52 bio fuels 52 ZeaChem 52 Bio Diesel 52 propylene oxide 52 distillers grain 51 bagasse 51 bioproducts 51 gasification 51 geothermal biomass 51 Advanced Biofuels 51 wood pellets 51 soy biodiesel 51 plasma gasification 51 liquid fuels 51 anaerobic digesters 50 forage crops 50 stover 50 synthetic fuels 50 anaerobic digestion 50 crop residue 50 Biofuels 50 BioDiesel 50 nitrogen fertilizers 50 grain sorghum 50 EVSO 49 polyol 49 Biofuel 49 biomethane 49 cellulose 49 alternative fuels 49 BioOil 49 Syngas 49 biogas 49 MMgy 49 Enerkem 49 coal gasification 49 Bioenergy 48 bio diesel 48 biochar 48 camelina 48 biowaste 48 anaerobic digester 48 lignite coal 48 Camelina 48 biofuel crops 48 nitrogen fertilizer 48 RFS2 48 bioprocessing 48 upland cotton