"Contribution of transportation, off-road vehicles and mobile equipment to national air pollutant emissions by transportation mode and emissions of air pollutants from transportation, off-road vehicles and mobile equipment by transportation mode, Canada, 2024",,,,,,,,,,,,,, ,,,,,,,,,,,,,, Transportation mode,Carbon monoxide (percentage of national emissions),Carbon monoxide (emissions in kilotonnes),Nitrogen oxides (percentage of national emissions),Nitrogen oxides (emissions in kilotonnes),Black carbon (percentage of national emissions),Black carbon (emissions in kilotonnes),Volatile organic compounds (percentage of national emissions),Volatile organic compounds (emissions in kilotonnes),Fine particulate matter (percentage of national emissions),Fine particulate matter (emissions in kilotonnes),Ammonia (percentage of national emissions),Ammonia (emissions in kilotonnes),Sulphur oxides (percentage of national emissions),Sulphur oxides (emissions in kilotonnes) Passenger cars and motorcycles,7.7,339.9,1,11.8,1,0.2,1.6,22,<0.1,0.4,0.4,2,<0.1,0.2 Passenger light trucks,11.5,503.7,1.9,23,2.5,0.4,2,26.5,<0.1,0.8,0.7,3.4,<0.1,0.4 Large trucks and buses,2.9,125.3,10.2,122.5,11.7,2.1,0.8,10.3,0.3,3.5,0.2,1.2,<0.1,0.2 "Air, marine and rail travel",1.1,46.8,12,144.3,8.8,1.6,0.6,8,0.2,2.3,<0.1,<0.1,0.4,2.2 "Off-road vehicles and equipment, tire wear and brake lining",36.4,1599.3,13.4,161.2,<0.1,<0.1,8.5,116,1.4,15.3,<0.1,0.4,<0.1,0.2 ,,,,,,,,,,,,,, "Note: ""Passenger cars and motorcycles"" include light-duty vehicles powered by motor gasoline, diesel, liquefied petroleum gas and compressed natural gas engines as well as all types of motorcycles. ""Passenger light trucks"" include light-duty trucks powered by motor gasoline, diesel, liquefied petroleum gas and compressed natural gas engines. ""Large trucks and buses"" include heavy-duty trucks powered by motor gasoline, diesel, liquefied petroleum gas and compressed natural gas engines.",,,,,,,,,,,,,, Source: Environment and Climate Change Canada (2026) Air Pollutant Emission Inventory (www.canada.ca/en/environment-climate-change/services/pollutants/air-emissions-inventory-overview.html) and Black Carbon Emissions Inventory (www.canada.ca/en/environment-climate-change/services/pollutants/black-carbon-emissions-inventory.html).,,,,,,,,,,,,,, Available on the Environmental indicators website (www.canada.ca/environmental-indicators).,,,,,,,,,,,,,,