Related by context. Frequent words. (Click for all words.) 81 feedstock 67 cellulosic 62 biomass 62 biofuels 61 cellulosic ethanol 60 corn stover 60 biofuel 58 biodiesel 58 syngas 58 woody biomass 57 cellulose 57 distillers grains 56 vegetable oils 56 synthetic fuels 56 renewable fuels 55 bio fuels 55 ethanol 55 liquid fuels 55 switchgrass 55 biorefinery 54 bioenergy 53 corn ethanol 53 alternative fuels 53 fossil fuels 52 biorefineries 52 fuels 51 bioethanol 51 bio diesel 51 ethane 51 renewable 51 Biomass 51 anaerobic digestion 50 propylene 50 bioplastics 50 petroleum coke 50 alcohols 50 animal fats 50 polymers 50 olefins 50 jatropha 49 crudes 49 resins 49 Jatropha 49 raw materials 49 cleaner fuels 49 lignin 49 biofuel crops 49 wood pellets 48 polyolefins 48 Biofuels 48 bio ethanol 48 fractionation 47 fossil fuel 47 refineries 47 gasification 47 crude oil 47 raw material 47 camelina 47 byproducts 47 DDGS 47 starches 47 petrochemicals 47 naphtha 47 soybean meal 47 microalgae 47 wood chips 47 diesel fuel 46 Biofuel 46 palm oil 46 glycerol 45 pyrolysis 45 refiners 45 coal gasification 45 EOR 45 low sulfur diesel 45 Syntroleum 45 aromatics 45 substrates 45 Biodiesel 44 ethylene 44 starch 44 algal 44 tallow 44 wood pulp 44 Ethanol 44 fuel 44 organics 44 agricultural commodities 44 synthetic rubber 44 organic fertilizers 44 cleaner burning 44 refining margins 44 nitrogen fertilizer 44 methanol 44 refining 44 corn starch 44 biogas 44 plastics 43 corn cobs 43 Amyris 43 petroleum