The Biden administration is considering tougher sanctions on Russia's oil trade.
Details of possible new measures are under discussion.
The United States is considering restrictions that could affect certain types of Russian oil exports, according to an article in Bloomberg .

The Biden administration is poised to tighten sanctions ahead of its departure, given that previous efforts have produced mixed results.
The US is also working on new sanctions aimed at the tanker fleet used by Russia to transport its oil.
New restrictions are expected to be unveiled in the coming weeks.
The European Union is preparing to introduce similar measures against Russia's shadow fleet by the end of the year.
The EU is expected to add individuals involved in the trade to the sanctions list.