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Table A2.2 N2O emission factors used in the energy sector
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| Emissions factor t N2O/PJ | Source | |
|---|---|---|
Natural gas |
||
Electricity generation |
0.09 |
IPCC Tier 1 (table 1-8) natural gas - all uses |
Commercial |
2.07 |
IPCC Tier 2 (table 1-19) natural gas boilers |
Residential |
0.09 |
IPCC Tier 1 (table 1-8) natural gas - all uses |
Domestic transport (CNG) |
0.09 |
IPCC Tier 1 (table 1-8) natural gas - all uses |
Other stationary (mainly industrial) |
0.09 |
IPCC Tier 1 (table 1-8) natural gas - all uses |
Liquid fuels |
||
Stationary sources |
||
Electricity - residual oil |
0.285 |
IPCC Tier 2 (table 1-15) residual oil boilers - normal firing |
Electricity - distillate oil |
0.38 |
IPCC Tier 2 (table 1-15) distillate oil boilers - normal firing |
Industrial (including refining) - residual oil |
0.285 |
IPCC Tier 2 (table 1-16) residual oil boilers |
Industrial - distillate oil |
0.38 |
IPCC Tier 2 (table 1-16) distillate oil boilers |
Commercial - residual oil |
0.285 |
IPCC Tier 2 (table 1-19) residual oil boilers |
Commercial - distillate oil |
0.38 |
IPCC Tier 2 (table 1-19) distillate oil boilers |
Residential (all oil) |
0.19 |
IPCC Tier 2 (table 1-18) furnaces |
LPG (all uses) |
0.57 |
IPCC Tier 1 (table 1-8) oil - all sources except aviation |
Agriculture - stationary |
0.38 |
IPCC Tier 2 (table 1-16) distillate oil boilers |
Mobile Sources |
||
LPG |
0.57 |
IPCC Tier 1 (table 1-8) oil - all sources except aviation |
Petrol |
1.42 |
IPCC Tier 2 (table 2.7 in 'Good practice...' (2000)) US gasoline vehicles (uncontrolled) |
Diesel |
3.7 |
IPCC Tier 2 (table 2.7 in 'Good practice...' (2000)) all US diesel vehicles |
Fuel oil (ships) |
1.9 |
IPCC Tier 2 (table 1-48) ocean going ships |
Aviation fuel/kerosene |
1.9 |
IPCC Tier 1 (table 1-8) oil - aviation |
Coal |
||
Electricity generation |
1.52 |
IPCC Tier 2 (table 1-15) pulverised bituminous combustion - dry bottom, wall fired |
Cement |
1.33 |
IPCC Tier 1 (table 1-8) coal - all uses |
Lime |
1.33 |
IPCC Tier 1 (table 1-8) coal - all uses |
Industry |
1.52 |
IPCC Tier 2 (table 1-16) dry bottom, wall fired coal boilers |
Commercial |
1.33 |
IPCC Tier 1 (table 1-8) coal - all uses |
Residential |
1.33 |
IPCC Tier 1 (table 1-8) coal - all uses |
Biomass |
||
Wood (all uses) |
3.8 |
IPCC Tier 1 (table 1-8) wood/wood waste - all uses |
Biogas |
2.07 |
IPCC Tier 2 (table 1-19) natural gas boilers |
