Trump said the U.S. will impose a 15% tariff on Japanese imports under the agreement, which he hailed as "maybe the largest deal in history."

That's down from the 25% levies he proposed earlier this month. Japan's prime minister says duties on autos from his nation will be cut to 15% from 25%.

By lowering auto duties on Japan to 15%, Donald Trump is handing the Asian ally a decent win and making a big concession on his flagship sectoral levies. For other countries negotiating with Washington,