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Table 3 Unused extraction factors of selected countries for hard coal extraction, taken from [34]

From: From cumulated energy demand to cumulated raw material demand: the material footprint as a sum parameter in life cycle assessment

Country (as given in Ecoinvent) Unused extraction factor for hard coal (kg/kg)
Australia 17.6
China 0.75
Colombia 11.99
Germany 0.95
India 5.3
Russian Federation 7.3
South Africa 7.56
USA 5.5
World average 4.28