The incoming president promised “tariffs all the way” unless Europe bought more U.S. oil and gas. European officials have no clear strategy for avoiding a trade war.

Trump has made tariffs a central part of his plans when he moves back into the White House next month.

Donald Trump has said he will impose tariffs on the European Union if the bloc does not make up its "tremendous" trade deficit with the United States.

President-elect Donald Trump warned the European Union that its exports will get hit with US tariffs if its member states don’t buy more American oil and gas.

President-elect Donald Trump doubled down on his tariff threats Thursday night, pledging to raise tariffs on European Union nations unless they increase their purchases of American oil and gas to narrow the trade gap with the United States.

European shares were on course to post their worst week in three months on Friday, as U.S. President-elect Donald Trump's comments about potential tariffs on the European Union spooked investors already worried about the U.