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| The formula presented in the eco-score [https://docs.score-environnemental.com/methodologie/produit/transport document] needs to be adapted to take the ''multi-sourced'' case into account. | | The formula presented in the eco-score [https://docs.score-environnemental.com/methodologie/produit/transport document] needs to be adapted to take the ''multi-sourced'' case into account. |
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− | score<sub>final</sub>(purchase, production, origin) = score(purchase, production) <big>Σ</big><sub>ingredient=1</sub><sup>N</sup> score(ingredient,production) fraction(ingredient) / score(production,?) | + | score<sub>final</sub>(purchase, production, origin) = score(purchase, production) <big>Σ</big><sub>ingredient=1</sub><sup>N</sup> score(ingredient,production) fraction(ingredient) / 100 |
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− | * score<sub>final</sub> depends on the purchase location, the production location and the origin location of each ingredient. | + | * score<sub>final</sub> depends on the purchase location, the production location and the origin location of each ingredient; |
− | * score(purchase, production) depends on the production and purchase location. If both are the same this is 100, otherwise it should be lower than 100. | + | * score(purchase, production) depends on the production and purchase location. If both are the same this is 100, otherwise it should be lower than 100; |
− | * ingredient is an ingredient in the product. So the sum iterates over all ingredients comprised in a product. | + | * ingredient is an ingredient in the product. So the sum iterates over all ingredients comprised in a product; |
− | * score(ingredient, production) is the score for getting the ingredient to the production location. If both are the same country this will be 100. | + | * score(ingredient, production) is the score for getting the ingredient to the production location. If both are the same country this will be 100; |
| * fraction(ingredient) is the fraction of the ingredient in the product. The sum of all fractions should be 1; | | * fraction(ingredient) is the fraction of the ingredient in the product. The sum of all fractions should be 1; |
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