Related by context. Frequent words. (Click for all words.) 52 biomass combustion 51 nitrogen oxide sulfur dioxide 51 mercury sulfur dioxide 49 potent greenhouse gas 49 refrigerant gases 49 Emissions Reduction 49 absorbs carbon dioxide 48 halons 48 ozone precursor 48 manure digesters 48 Emitters 47 Volatile organic compounds 47 nitrous oxides 47 smog forming 47 reduce NOx emissions 47 hydrofluorocarbons HFCs 47 gaseous emissions 47 sulfur dioxides 47 coal petroleum coke 47 Coal gasification 47 smog acid 47 superheat 47 sulfur dioxide nitrogen oxide 47 fluorinated gases 47 Methyl bromide 46 Nitrogen oxides 46 carbon sequestering 46 HFO #yf 46 Reduce Greenhouse Gas 46 fluorocarbons 46 pollute waterways 46 bioconversion 45 Methyl Bromide 45 heat trapping gases emitted 45 emit heat trapping 45 mercury emitted 45 perfluorocarbons 45 nitrous oxide emissions 44 carbon footprinting 44 environmentally beneficial 44 sulfur dioxide nitrogen oxides 44 sequester carbon dioxide 44 algal biomass 44 smog forming nitrogen oxides 44 Emission Reduction 44 Thoroughly cooking 44 pollutants emitted 43 unburned hydrocarbons 43 hydrated lime 43 petrodiesel 43 black fumed silica 43 livestock manure 43 VOC volatile 43 HFC #a 43 emit CO2 43 emits #g/km [002] 43 phosphorus runoff 43 Compact fluorescent light 43 nitrogen oxide NOx emissions 43 manure lagoons 43 sulfur dioxide SO2 43 nonfood crops 43 sulfur oxides 43 Sulphur dioxide 43 herbicides pesticides 43 Burning fossil fuels 42 Carbon Offset 42 urea injection 42 smog forming pollutants 42 thermochemical 42 isoprene 42 methane CH4 42 Fluorescent bulbs 42 Carbon sequestration 42 scatter radioactive 42 nitrogen oxides sulfur dioxide 42 polluting waterways 42 EMISSIONS 42 ozone depleting substance 42 Particulates 42 Nitrogen dioxide 42 Renewable fuels 42 emission 42 fishy odor 42 geologic sequestration 41 lung irritant 41 evaporative emissions 41 halon 41 deplete oxygen 41 sugar cane bagasse 41 Alan Fein 41 pollution abatement 41 upper troposphere 41 greenhouse gases GHGs 41 biomass gasification 41 sequestration CCS 41 Supercritical 41 soil conditioners 41 cellulosic biofuel 41 Carbon Emissions 41 absorbs sunlight