. 2023 Nov 17;9(11):e22404. doi: 10.1016/j.heliyon.2023.e22404

Table 3.

Conversion factors to measure carbon footprint.

Type of fuel	Amount (MJ)	Emissions per unit fuel consumption			GWP Conversion Factor			GWP
Type of fuel	Amount (MJ)	CO₂ (kg/MJ)	CH₄ (kg/MJ)	N₂O (kg/MJ)	CO₂	CH₄	N₂O	CO₂ (kg CO₂e)	CH₄ (kg CO₂e)	N₂O (kg CO₂e)
Gas	1	0.0561	0.000001	0.0000001	1	82.5	273	0.0561	0.0000825	0.0000273
Heavy Fuel Oil	1	0.0774	0.000003	0.0000006	1	82.5	273	0.0774	0.0002475	0.0001638
Diesel	1	0.0741	0.000003	0.0000006	1	82.5	273	0.0741	0.0002475	0.0001638
Coal	1	0.0946	0.000001	0.0000015	1	82.5	273	0.0946	0.0000825	0.0004095
Furnace Oil	1	0.0774	0.000003	0.0000006	1	82.5	273	0.0774	0.0002475	0.0001638
Wood	1	0.112	0.00003	0.000004	1	82.5	273	0.112	0.002475	0.001092
Biomass	1	0.1	0.000003	0.000004	1	82.5	273	0.1	0.0002475	0.001092