Black Sea, fuel oil

No Russian warships have been spotted in the Black Sea and the Sea of Azov as of Wednesday morning. — Ukrinform.
More and more dead dolphins are washing up on the shore following the accident involving two Russian oil tankers in the Kerch ...
Russia's only known submarine in the Mediterranean Sea, the Kilo-class Novorossiysk, was spotted leaving the region last week ...
Austria's OMV has struck a deal to supply Germany's Uniper with gas from its Black Sea project from 2027, three people ...