Sector 2011 Emissions of NOX (kt) % share
Agriculture 184871 1.8
Commercial, institutional and households 1309461 12.8
Energy production and distribution 2298969 22.5
Energy use in industry 1289151 12.6
Industrial processes 242783 2.4
Non-road transport 751399 7.3
Other 521 0.0
Road transport 4142743 40.5
Solvent and product use 52 0.0
Waste 12404 0.1