The following article is taken from e-kathimerini newspaper concerning the lack of standardizing Greek Olive Oil and it's exportation to Italy for very low prices. The greek olive oil is then sold as produced in the EU for higher prices.
Article translated in English: https://www.ekathimerini.com/economy/1189506/greek-olive-oil-going-italian/
Article in Greek: Η χαμένη υπεραξία του ελαιολάδου: Εξάγεται χύμα στην Ιταλία και πωλείται ακόμη σε τενεκÎ https://www.kathimerini.gr/economy/561966772/i-chameni-yperaxia-toy-elaioladoy-exagetai-chyma-stin-italia-kai-poleitai-akomi-se-teneke/