Oil nudged lower following its first weekly drop this month, with traders focused on US trade talks and the European Union’s efforts to curb Russian energy exports.

MOSCOW, July 21. /TASS/. Russia and Ukraine may resume talks as early as this week; the EU’s new sanctions on Russia are expected to backfire on Europe; and Russia opposes a renewed round of sanctions ...

U.S. President Donald Trump plans to impose tariffs on countries purchasing Russian oil, including China, Brazil, and India, Republican Senator Lindsey Graham said on Fox News on July 21.