Russian diesel products can still enter Ukraine.
According to Forbes, Ukraine imported 70% of its oil products before the war. In 2021, 42% of diesel fuel was imported from Belarus and another 30% from Russia. Since the war, direct deliveries from these countries have been stopped, but Russian fuel is exported to Turkey, where it is registered as Turkish and then delivered to EU countries. This is how Russian diesel enters Ukraine. After introducing the embargo in the EU, the import of diesel from Russia to Turkey