Trump, in a speech delivered remotely to the World Economic Forum’s annual meeting in Davos, Switzerland, last week, called on Saudi Arabia and OPEC to boost oil production and bring down prices. OPEC+ members haven’t responded publicly, but top ministers are due to meet Monday in a regularly scheduled online meeting.

Oil edged lower as traders weighed the possible fallout from President Donald Trump’s planned tariffs on major US crude supplier Canada and other countries and reports OPEC will evaluate potential changes to America’s energy policy.

Oil prices slipped on Monday after U.S. President Trump called on OPEC to reduce prices following the announcement of wide-ranging measures to boost U.S. oil and gas output in his first week in office.