A question dividing the LCA profession in 2026. Arguments for: mass balance enables the transition to scale without duplicating industrial infrastructure; it is a pragmatic measure recognised by the Commission. Arguments against: physical traceability of biogenic carbon is zero; it is a conventional mechanism. Defensible position: mass balance is credible if (a) it is certified by an accredited independent body (ISCC PLUS, REDcert), (b) the calculation chain is auditable, (c) communication is calibrated to the 'attributed percentage' rather than physical composition. The DGCCRF and the EU Commission are tightening the mass balance certification framework in 2026 to prevent abuse.
Read the source article: How do you eco-design with bioplastics?