Japan's top tariff negotiator Ryosei Akazawa has canceled a trip to Washington from Thursday as details need to be ironed out at the working level, the government said.Akazawa said Wednesday that he planned to travel to the U.S. capital to request the swift implementation of lower tariffs for Japanese autos and auto parts, and an exemption from tariff stacking that would see the United States add a country-specific rate on top of preexisting duties, as agreed by the two governments.Only Japanese officials will travel to the United States to discuss the matter for now, the government said.Ak…READ FULL ARTICLE