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A Carbon Emission Signature (CES) and a Carbon Emission Label have been proposed for manufactured products in previous CIRP (Collège International pour la Recherche en Productique) annals. This paper considers two things: (1) an example of a CES calculation for assembly with CO2 emissions and (2) the need for a transparent method of calculation. In comparing carbon footprint calculations for 17 websites, the results are found to vary more than threefold depending upon the site used and even more between different methods illustrating the need for standardisation in emission calculations for carbon accounting.
Jeswiet et al. (Fri,) studied this question.
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