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Table 2 Road transport default CO2 emission factors and uncertainty ranges* (IPCC 2006)

From: GHGs emission reductions and economic saving by enhancing switching to natural gas vehicles in Egypt

Fuel type

Default (kg/TJ)

Lower

Upper

Motor gasoline

69,300

67,500

73,000

Gas/diesel oil

74,100

72,600

74,800

Liquified petroleum gases (LPG)

63,100

61,600

65,600

Kerosene

71,900

70,800

73,700

Lubricants

73,300

71,900

75,200

Compressed natural gas (CNG)

56,100

54,300

58,300

Liquified natural gas (LNG)

56,100

54,300

58,300

  1. *Values represent 100 percent oxidation of fuel carbon content (Complete and perfect combustion process, i.e., every carbon full loaded by 32gm of one oxygen molecule).