Table 3 Emissions to air, by source. 2011*

3 Emissions to air, by source¹. 2011*
	Greenhouse gases, total	CO₂	CH₄	N₂O	HFCs	PFCs	SF₆


	Million tonnes CO₂ equivalents	Mill. tonnes	1 000 tonnes		Tonnes
All sources	52.7	44.2	206.3	9.6	492.9	33.1	3.1
Oil and gas extraction	13.4	12.7	32.4	0.1	-	-	-
Manufacturing industries and mining	11.9	11.2	4.7	1.1	-	33.1	-
Energy supply	2.1	2.1	0.8	0.1	-	-	-
Heating in other industries and households	1.4	1.2	8.0	0.1	-	-	-
Road traffic	10.1	10.0	0.7	0.2	-	-	-
Aviation, navigation, fishing, motor equip. etc.	7.2	6.8	3.8	0.8	-	-	-
Agriculture	4.2	-	104.0	6.6	-	-	-
Other sources	2.4	0.2	51.9	0.7	492.9	0.0	3.1

¹	Does not include international sea and air traffic.
Source: Emission inventory from Statistics Norway and the Climate and Pollution Agency.