Related by context. Frequent words. (Click for all words.) 66 cellulosic 64 cellulose 64 corn stover 63 feedstocks 63 biomass 62 cellulosic ethanol 59 syngas 59 biobutanol 58 feedstock 58 woody biomass 56 cellulosic biofuels 56 biodegradable plastics 56 anaerobic digestion 55 bioproducts 55 bioenergy 55 biobased 54 lignin 54 biofuel 54 biogas 54 biorefinery 54 biofuels 53 pyrolysis 53 Gasification 53 bio fuels 53 gasification 53 gasifier 52 biodiesel 52 bio diesel 52 switchgrass 52 biopolymers 52 sweet sorghum 51 bioethanol 51 bagasse 51 ethanol 51 Enerkem 51 biomass fuels 51 butanol 51 renewable 51 renewable fuels 51 synthetic fuels 50 bioplastic 50 liquid fuels 50 coal gasification 50 bio ethanol 49 wood chips 49 alternative fuels 49 crop residue 49 biorefineries 49 corn cobs 48 SOFC 48 microalgae 48 bioprocessing 48 bioplastics 48 Biomass 47 Coskata 47 digester 47 hydrogen 47 corn starch 47 biodegradable 47 wood pellets 46 methanol 46 biologically active 46 cogeneration 46 enzymes 46 biodegradable plastic 46 corn ethanol 46 compostable 46 animal fats 46 algal 46 starch 46 starches 45 thorium 45 environmentally benign 45 biochar 45 hydrolysis 45 biomaterials 45 Metabolix 45 fossil fuels 45 anaerobic digester 45 distillers grains 45 EERC 45 Biogas 45 recyclable materials 45 glycerol 44 Jatropha 44 Cellulose 44 byproducts 44 oxide 44 vegetable oils 44 sugars 44 crystalline silicon 44 fossil fuel 44 polymers 44 digesters 44 ultracapacitors 44 polyols 44 biomanufacturing 44 jatropha 43 photovoltaics 43 renewable energy 43 landfilling