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Table A2-3: N2O emission factors used in the energy sector category
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| Emission 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 |
28.5 |
IPCC Tier 2 (table 1–49) diesel engines – agriculture |
Mobile sources |
||
LPG |
0.57 |
IPCC Tier 1 (table 1–8) oil – all sources except aviation |
Petrol |
1.425 |
IPCC Tier 2 (table 2.7 in GPG (IPCC, 2000)) US gasoline vehicles (uncontrolled) |
Diesel |
3.705 |
IPCC Tier 2 (table 2.7 in GPG (IPCC, 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 |
