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have been leveled against the LCA approach, both in general and with regard to specific cases (e.g., in the consistency of the methodology, the difficulty in performing, the cost in performing, revealing of intellectual property, and the understanding of system boundaries). When the understood methodology of performing an LCA is not followed, it can be completed based on a practitioner's views or the economic and political incentives of the sponsoring entity (an issue plaguing all known data-gathering practices). In turn, an LCA completed by

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