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Biogas is not circular
Laura Calvet-Mir
and
Joserra Olarieta
15-05-2026
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![The biogas treatment plant at the old Garraf landfill](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)
