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The manufacturing of a product is connected directly to the amount of carbon emitted in producing electrical energy for that manufacturing process. A new, simple Carbon Emission Signature, CES™, is proposed. Knowing the CES for a power grid and the energy needed to make a part, the carbon emitted can be found. Examples of single point turning and open die forging are given. Knowing the total carbon emitted for a product, a manufacturer can place a Green House Gas (GHG) label on each product. A customer can then see the amount of Green House Gas emitted in making the product.
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Jeswiet et al. (2008) studied this question.
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