(CNN) — Germany is working to secure a drifting Russian oil tanker, believed to be part of Moscow’s “shadow fleet” used to fund its war in Ukraine, after it lost control in the Baltic Sea.

The energy giant is spending nearly $50 billion to expand the Tengiz oil field, allowing it to pump one million barrels a day ...

In response, Russia has relied on tankers with opaque ownership or without proper insurance to continue lucrative oil exports. The number of ships in the "shadow fleet" has exploded since the ...

BERLIN — Germany charged that a heavily loaded tanker adrift off its northern coast Friday was part of the “shadow fleet” Moscow uses to avoid sanctions on its oil exports. Foreign Minister ...