Energy and Environmental Efficiency of China’s Transportation Sector: A Multidirectional Analysis Approach

Table 2

CO₂ emissions factor by major carbonaceous fuel types in China (source: NDRC, 2007 [50]).

Fuels	Coal	Petrol	Kerosene	Diesel	Fuel oil	Nature gas
CCF	27.28	18.9	19.6	20.17	21.09	15.32
HE	192.14	448	447.5	433.3	401.9	0.384
COF (%)	92.3	98.0	98.6	98.2	98.5	99.0

Notes: CCF and HE are expressed in units of tons, carbon/trillion Joules, and trillion Joules/10⁴ tons (m³), respectively.