Blog archive: December 2015

Avoiding “system expansion”?

December 10, 2015 by admin

When producing a product footprint – or life cycle assessment (LCA) result – we want it as far as possible to be useful for decision support. Therefore, the way we model the product systems should maintain mass, energy and monetary balances intact, fully reflecting physical and economic causalities, based on empirical relations rather than normative assumptions and arbitrary cut-offs. This also implies avoiding allocation (partitioning) of systems with joint production of co-products, since this is an inherently normative procedure that…


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