Methodology for PCF Calculations of Lubricants, Greases and other Specialties
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Figure 2: Schematic overview of the lubricant manufacturers product system. The bars are for visualisation purposes only and do not represent physical boundaries.
The cradle-to-gate (partial) PCF includes the following emission sources (cf. Figure 2):
• Upstream Scope 3 within the cradle-to-(inbound)-gate scope: summarizing all upstream GHG emissions resulting from the production, transport and packaging of purchased raw materials needed to meet the defined reference flow of the product (cf. Section 2.3.3).
• For the assessment of the emissions resulting from (inbound)-gate-to- (outbound)-gate activities, the lubricant manufacturer collects internally related input- and output data based on primary data individually for each manufacturing-site. Where collection of internal data is not practicable, secondary data can be used for inputs and outputs (see ISO 14067 Section 6.3.5). The manufacturer calculates the gate-to-gate GHG emission based on these data:
o Scope 1 within the (inbound)-gate-to-(outbound)-gate: summarizing all gate-to-gate GHG emissions originating from operations (production, storage and transport) in the plants producing or storing the product.
Examples: direct emissions from the combustion of fuels, process emissions and leakages, such as air-conditioning systems, or methane leakages from a gas pipe (cf. Section 2.3.3).
o Scope 2 directly related to (inbound)-gate-to-(outbound)-gate activities: summarizing all GHG emissions resulting from the production of energy purchased by the lubricant manufacturer. For electricity emission factors the highest data quality shall be used, according to Section 3.1.2. For example, if supplier specific electricity emission factors
Version 1.2, 15.10.2025 © ATIEL and UEIL Page 10 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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