Related by context. Frequent words. (Click for all words.) 52 Calpine generates 51 Coal gasification 49 Cellulosic ethanol 49 Biobutanol 49 gasified 48 cellulosic feedstock 48 thermochemical 47 ethanol methanol 47 cellulose ethanol 46 artificial photosynthesis 46 cellulosic materials 46 converts sunlight 46 thermo chemical 46 fast pyrolysis 46 Highly enriched uranium 45 thermoelectric materials 45 Thermoelectric 45 castor bean plant 44 agricultural residues 44 Burning fossil fuels 44 Supercritical 44 Compact fluorescent light 44 renewable feedstocks 43 biocrude 43 sequester carbon dioxide 43 biorefining 43 Dumesic 43 Emitting 43 spintronic 43 Cellulosic 42 rice husks 42 oxy combustion 42 cellulosic biomass 42 conventional internal combustion 42 coastal Atacama desert 42 switchgrass 42 By Julian Pecquet 42 biomass gasification 42 using BioSante patented 42 combustion 42 cellulosic feedstocks 42 nonpolluting 42 By HARVEY SIMPSON 42 Capstone MicroTurbine 42 FreedomCAR 42 biomass geothermal 42 scramjets 42 cleaner burning 41 formic acid 41 environmentally friendlier 41 Hydrogen Fuel Cell 41 internal combustion engines 41 biodiesels 41 Spintronics 41 Cellulosic Ethanol 41 isoprene 41 By Katy Burne 41 Lignin 41 cellulosic ethanol 41 ultra capacitors 41 biobutanol 40 Bagasse 40 heat trapping gases emitted 40 hydrogen 40 Integrated Gasification Combined Cycle 40 Rudolf Diesel 40 hemicellulose 40 fossil fuels 40 Bioethanol 40 Terrabon 40 Hybrid Vehicle 40 Biodiesel Production 40 Lithium ion 40 By KEVIN MINNICK 40 optical biosensors 40 petro diesel 40 Ti VCT 40 combustion engines 40 Fossil Fuels 40 noninvasive imaging 40 microelectromechanical systems 40 Fossil Fuel 39 corn stover 39 Virent 39 Commercializing 39 nitrous oxides 39 nanogenerator 39 biomethane 39 syngas 39 PEM fuel 39 super capacitors 39 Biochar 39 photosynthetic organisms 39 cellulosic 39 Ultracapacitors 39 electrochemical 39 optogenetics 39 biocatalysts 39 potent greenhouse gas 39 biosensing 39 thermoelectric