. 2023 Oct 24;9(11):e21241. doi: 10.1016/j.heliyon.2023.e21241

Table 2.

Carbon emission factors of fossil fuels.

Types	Low level heat generation $(K J / K g)$	Carbon content $(K g C / G J)$	Carbon oxidation rate	Carbon emission factors $(t - C / t)$ or $(t - C / m^{3})$	CO₂ emission factors $(t - C O_{2} / t)$ or $(t - C O_{2} / m^{3})$
Raw Coal	20908	26.4	0.98	0.54	2.0
Coke	28435	29.5	0.93	0.78	2.9
Diesel	42653	20.3	0.98	0.85	3.1
Kerosene	43070	19.6	0.98	0.83	3.0
Fuel oil	41816	21.1	0.98	0.87	3.2
Gasoline	43070	18.9	0.98	0.80	2.9
Crude Oil	41816	20.1	0.98	0.82	3.0
Natural Gas	389310	15.3	0.99	5.90	21.6