Related by context. Frequent words. (Click for all words.) 57 sequestration 56 Gasification 56 Carbon Capture 55 carbon sequestration 54 Greenhouse Gases 53 Carbon Dioxide 52 Biomass 50 IGCC 50 carbon capture 49 Syngas 49 gasification 48 Biogas 48 Biofuel 48 Greenhouse Gas 48 Electrochemical 48 coal gasification 47 Switchgrass 47 Greenhouse Gas Emissions 47 Renewable 47 Ethanol Plant 47 Alternative Fuels 47 Carbon Emissions 47 Methane 46 Carbon Credits 46 Polluting 46 Diesel Fuel 45 Algae 45 Cogeneration 45 Renewables 45 biomass 45 integrated gasification 45 coal liquefaction 44 Biofuels 44 Clean Fuels 44 crop residues 44 Nitrogen 44 Miscanthus 44 Fracking 44 CO2 43 Shale Gas 43 nitrogen fertilizers 43 flue gases 43 Desalination 43 Fischer Tropsch 43 woody biomass 43 Clean Coal 43 Emissions 43 UCG 43 Power Plants 43 biochar 43 EOR 43 carbon dioxide CO2 43 Hydrogen 43 Oxidation 43 carbon dioxide 43 Landfills 42 sequester carbon 42 Fuel Cells 42 Pollutants 42 Electricity Generation 42 Ammonia 42 plasma gasification 42 Renewable Power 42 lignite coal 42 syngas 42 supercritical 42 Wind Turbines 42 underground coal gasification 42 pyrolysis 42 Catalysis 42 Methanol 42 Ethanol 41 Renewable Energy 41 Feedstock 41 Nuclear Waste 41 flue gas 41 Advanced Biofuels 41 Economic Geology 41 gasifier 41 Cellulosic ethanol 41 Tax Incentives 41 bioremediation 41 bioenergy 41 nitrogen oxide emissions 41 Incineration 41 Pollution Prevention 41 Clean Energy 41 Nanomaterials 41 BioFuels 41 coal 41 CLIMATE CHANGE 40 gas hydrates 40 Lignite 40 desulfurization 40 Sediment 40 Alternative Energy 40 coal seams 40 CERCLA 40 Solar Cells 40 methane 40 Bioenergy