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Russian authorities have allowed certain oil refineries to supply Euro 5 petrol and diesel to the domestic market despite quality indicators corresponding to Euro 3 standards, amid Ukrainian attacks on refineries and fuel supply disruptions.
Source: Latvian media outlet The Insider
Details: According to sources cited by Russian newspaper Kommersant, the exemption was introduced in autumn 2025 and extended in May 2026.
The changes primarily concern sulphur content. Under current technical regulations, Euro 5 petrol may contain no more than 10 mg of sulphur per kilogram of fuel. Certain refineries have been authorised to produce petrol containing up to 150 mg of sulphur per kilogram – 15 times the Euro 5 limit and consistent with Euro 3 standards.
