Methodology for PCF Calculations of Lubricants, Greases and other Specialties
3.4.2 Recycling
Material recycling involves the extraction of secondary materials from waste, which can then be reused as raw materials in the manufacturing of various products. If the recycling process and use of the obtained secondary material occurs inside the lubricant manufacturer’s system boundary there is no need for specific considerations and the GHG emissions of the recycling process should be accounted for in the PCF.
However, if the recycling process occurs outside of the lubricant manufacturer’s system boundary, the following rules according to the cut-off approach shall be applied4:
• Preparatory steps and supporting activities, such as collection, transportation, sorting, dismantling, or shredding, shall be factored into the inventory results of the product system that generates the secondary product, as they have an impact on its overall carbon footprint, e.g. collection of used oil should be attributed to the re-refiner for the production of re-refined base oil.
• In the recycling process, the waste input is considered to be burden-free. This means that any burdens or credits associated with material from previous or subsequent life cycles are not taken into account and are "cut-off."
• The impact of the recycling process shall be added to the inventory results, thus influencing the PCF value of the product that uses the secondary material.
• For the product in scope the PCF of all burdens from preparatory steps and supporting activities, as well as the recycling process shall be reported.
4 Case study from IFEU/GEIR support the cut-off approach for an attributional LCA. There is an acknowledgment that the study also considered a consequential LCA. The reference is only intended to support the cut-off approach for an attributional LCA study.
Version 1.2, 15.10.2025 © ATIEL and UEIL Page 27 of 40 This document is a controlled document only in electronic form. Printed versions or copies are not subject to change service
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