The European Union's latest effort to restrict Russia's oil revenue is unlikely to hurt Moscow's war effort severely, leaving U.S. President Donald Trump's threat of secondary sanctions one of the few remaining economic levers to pressure the Kremlin.

Last week, the European Union announced its 18th sanctions package against Russia, something that could have an impact on the oil industry both abroad and in the Lone Star State.

NEW DELHI — In an unprecedented move, the European Union has imposed sanctions on an Indian oil refinery, targeting Nayara Energy’s Vadinar facility in Gujarat over its Russian ownership links. The refinery is partially owned by Russian state-run oil major Rosneft, which holds a 49.1% stake.