Truncation error in embodied energy analyses of basic iron and steel products

Manfred Lenzen and Christopher Dey

Energy, 2000, vol. 25, issue 6, 577-585

Abstract: An input–output study of the energy requirements for the manufacture of basic iron and steel products by the Australian steel industry is presented. The basis of this study is a decomposition of the total energy requirement per mass output of steel into partial requirements from industry sectors supplying the steel industry. A separation into different order requirements shows that lower order energy requirements for basic iron and steel, chosen from the supplying industries identified in a recent process analysis, are 19 MJ/kg, and that the total energy requirement is 40.1 MJ/kg. This proportion demonstrates that truncation error in this process analysis, that is, the omission of higher order energy contributions, is of the order of 50%.

Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:25:y:2000:i:6:p:577-585

DOI: 10.1016/S0360-5442(99)00088-2

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