Vienna – After a recall of 0.5 liter PET lemonade bottles from the Coca-Cola, Fanta, Sprite and MezzoMix brands, it has now apparently been decided what will happen to the drinks: According to a report by ORF Burgenland, the affected products will be processed into biogas . The broadcaster referred to a letter from the company that was available to it. Coca Cola could not initially be reached for comment by the APA on Wednesday morning; a recall was promised.