Please remember of EU dependency on petroleum products. So best way to buy european is to reduce its use when possible :
The United States main EU supplier of oil and petroleum products, Norway of natural gas and Australia of solid fossil fuels in 2023
In 2023, 49% of the extra-EU imports of oil and petroleum products originated from 5 countries: the United States (15%), Norway (12%), Saudi Arabia and Kazakhstan (both 8%) and the United Kingdom (7%). A similar analysis shows that 71% of the EU's imports of natural gas came from Norway (27%), the United States (19%), Algeria (14%) and Russia (11%), while the biggest solid fossil fuel (mostly coal) imports originated from Australia (24%), followed by the United States (23%), Colombia (17%) and South Africa (13%).
réponse courte : non
Réponse développée par Kian Habibian, cofondateur de l’association We Are Iranian Students, dans cet article https://www.rfi.fr/fr/moyen-orient/20250618-guerre-isra%C3%ABl-iran-les-iraniens-ont-avant-tout-un-sentiment-d-abandon-total :