17. Dezember 2025 Vorträge Block B Downloads 01_Dekker Harmen_Biogas across Europe - market.pdf 02_Anna Pastukh. Unlocking Ukraine's biomethane potential outlook obstacles and growth.pdf 03_Gattoni_Biogasbiometane_Italy_9december2025_final.pdf 04_Calvatis_Bionik - Biogas Convention 2025.pdf