"We did not discuss that," Lopez Obrador told a news conference, noting that the dispute had its own resolution mechanism under the United States-Mexico-Canada (USMCA) trade agreement.

Washington and Ottawa in July launched dispute settlement proceedings under USMCA against Lopez Obrador's drive to give priority to Mexico's state-run energy companies, arguing the policy discriminates against private U.S. and Canadian firms.

(Reporting by Dave Graham; Editing by Valentine Hilaire)