The United States will start imposing a 25 percent tariff on all medium- and heavy-duty truck imports from Nov. 1, President Donald Trump said Monday.Trump made the announcement on social media, without providing further details. It remains unclear to what extent his latest tariff plans could affect Japan's automotive industry and economy.In late September, citing national security, Trump said the United States would apply the same tariff rate to heavy-duty trucks, effective this month.But the tariff, which Trump said was aimed at protecting domestic industries, did not take effect as state…READ FULL ARTICLE