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Table 1 Primary energy (PE) factor (defined as the ratio between PE and delivered useful energy) and greenhouse gas (GHG) emissions factors for different energy carriers [55]

From: Exploring the potential for biomethane production by willow pyrolysis using life cycle assessment methodology

Energy carrier Specification PE factor (MJ-eq./MJ) Emission (g CO2-eq./MJ)
Electricity Nordic electricity mix (NORDEL) 2.01 20
Hard coal NORDEL 3.24 292
Fuel Diesel, low-sulfur 1.35 0.01