WASHINGTON - Japan and the United States agreed Thursday to speed up selection of the first round of investment projects under a $550 billion package that Tokyo committed to last year following months of tariff negotiations, with a summit of their leaders about a month away.

Hours after his meeting with U.S. Commerce Secretary Howard Lutnick in Washington, Japanese industry minister Ryosei Akazawa told reporters a "significant gap" remained and more coordination was required to serve the mutual interests of the two countries.