énergie et carburants – Huiles usagées frauduleuses dans les biocarburants

This written question asks about the use of fraudulent used oils in the production of biofuels. It seeks clarification on the measures being taken to prevent such practices and ensure the integrity of biofuel supply chains. The question highlights concerns about potential environmental damage and unfair competition arising from the use of substandard or illegally sourced materials in biofuel manufacturing.