U.S. officials warned Chinese authorities that they could face higher tariffs if they continue purchasing oil from Iran and Russia, Treasury Secretary Scott Bessent and U.S. Trade Representative Jamieson Greer told reporters after two days of meetings in Stockholm. “It’s no secret the Chinese are buying 90% of the Iranian oil,” Bessent told reporters. The U.S. officials also informed the Chinese of a bill moving through Congress that would authorize the president to impose tariffs of up to 500% on nations that import Russian oil, saying that they believed other nations would follow suit. “We explained the nature of the...