Related by context. Frequent words. (Click for all words.) 61 megatonnes 56 GHG emission 55 greenhouse gas emission reductions 53 greenhouse gas GHG emissions 51 greenhouse gas emissions 51 GHG emissions 50 CO2 emissions 50 nitrous oxides 50 C# emissions 50 carbon dioxide emissions 50 gigatonnes 49 particulate emissions 49 carbon dioxide emission 49 emission reductions 49 greenhouse gases 48 emissions 48 GHG reduction 48 GHGs 48 reduce greenhouse gas 47 greenhouse gas 47 greenhouse gas emission 47 nitrous oxide emissions 47 greenhouses gases 47 greenhouse emissions 47 carbon emissions 47 greenhouse gas GHG 47 CO2 46 emission 46 CO2 emitted 46 carbon emitted 46 carbon dioxide emitted 46 reducing carbon emissions 46 VOC emissions 45 emission reduction 45 gigatons 45 CO2 emission 45 particulate matter emissions 45 pollutant emissions 45 heat trapping carbon dioxide 45 greenhouse gasses 45 reducing CO2 emissions 45 carbon emission reductions 44 particulate matter PM 44 Carbon dioxide emissions 44 GHG 44 NRCan 44 carbon dioxide CO2 44 ecoENERGY 44 reduce carbon emissions 44 carbon emission 44 Kyoto Accord 43 reducing greenhouse gas 43 carbon dioxide CO2 emissions 43 HCFCs 43 carbon 42 NOx emissions 42 smog forming emissions 42 nitrogen oxides NOx 42 carbon dioxide 42 NOx 42 fine particulate 42 nitrogen oxide NOx 42 nitrogen oxide emissions 41 reduction 41 tailpipe emissions 41 CO2e 41 Kyoto accord 41 greenhouse gases emitted 41 warming gases 41 airborne pollutants 41 exhaust emissions 40 KWh 40 Emissions 40 heat trapping emissions 40 gigawatt hours 40 nitrogen oxides 40 fossil fuel 40 sulfur dioxide SO2 40 nitrogen oxide 40 #g/km [001] 40 fleetwide average 39 particulate pollution 39 NOx reduction 39 harmful pollutants 39 Greenhouse gases 39 curbing greenhouse gases 39 global warming gases 39 Greenhouse Gas Emissions 39 carbon capture 39 fully costed 39 GDP 39 ozone depleting substances 39 TWh 39 greenhouse gas concentrations 39 zero emission 39 Kyoto Protocol 38 projected 38 kWh 38 boreal forests 38 1GW 38 projections