BRUSSELS—The European Union has experienced a “breakthrough year” with the United States even if not all trade irritants are gone and now wants to work with its transatlantic ally to start forging trade rules for the future, the EU trade chief said. “One can say that this year was indeed a breakthrough year for EU–U.S….

WASHINGTON—U.S. Trade Representative Katherine Tai and her European Union counterpart discussed common challenges posed by non-market economies, including China, during a meeting in Washington on Tuesday, Tai’s office said in a statement. Tai thanked European Commission Executive Vice President Valdis Dombrovskis “for helping to build an important bilateral partnership and working constructively to strengthen the…