Lower fuel costs could create savings for consumers, but economic threats posed by tariffs still a concern, a local economist said.

U.S. oil prices fell to $57 a barrel after the OPEC Plus cartel said this weekend that it would pump more oil.

Oil prices dropped Monday, as the Organization of the Petroleum Exporting Countries and its allies agreed to boost output again in June, raising concerns about a potential oversupply at a time when markets are grappling with the uncertainties of a global trade war.