Related by context. Frequent words. (Click for all words.) 62 bioenergy 61 biofuels 59 biofuel 59 cellulosic ethanol 56 cellulosic biofuels 55 Cellulosic ethanol 55 alternative fuels 55 Virent 55 Qteros 54 biobutanol 54 algae 54 coal gasification 54 bio fuels 54 biomass feedstock 54 algal 53 Switchgrass 53 renewable fuels 53 biomass 53 Algae 53 renewable energy 52 coal liquefaction 52 carbon sequestration 52 Algenol 52 nanotechnology 52 Integrated Gasification Combined Cycle 52 microalgae 52 switchgrass 52 cellulosic 52 Hydrogen Economy 51 carbon capture 51 EERC 51 alternative energies 51 cellulosic biofuel 51 OTEC 50 biosciences 50 woody biomass 50 biodiesel 50 Genomatica 50 seawater desalination 50 cellulosic feedstocks 50 biomass feedstocks 50 cellulosic biomass 50 nanomanufacturing 50 biofuel crops 50 corn ethanol 50 Biofuel 50 succinic acid 50 environmentally benign 50 Synthetic Genomics 50 bio diesel 49 ethanol 49 silicon photonics 49 renewable 49 desalinization 49 transgenic crops 49 oilseed crops 49 bio ethanol 49 Fischer Tropsch 49 sweet sorghum 49 camelina 48 biorefineries 48 hydrogen 48 jatropha 48 commercially viable 48 butanol 48 biodegradable plastics 48 biocatalysts 48 synthetic biology 48 nanoscience 48 nanobiotechnology 48 biorefinery 48 biobased 48 underground coal gasification 48 bioethanol 48 desalination 48 bioproducts 48 transgenic plants 48 biotechnological 48 PetroAlgae 47 hydrogen fuel 47 aquaculture 47 holographic storage 47 synthetic fuels 47 ZeaChem 47 UltraCell 47 bioremediation 47 hydrokinetic 47 Coskata 47 CAES 47 proton exchange 47 Range Fuels 47 ionic liquids 47 Renewable Energy Laboratory 47 biochar 47 NREL 47 plasma gasification 47 scientific breakthroughs 46 soy biodiesel 46 miscanthus 46 QuantumSphere 46 feedstocks