US President Donald Trump said he plans to impose a 20 per cent tariff on all cars imported from the European Union unless the trade bloc “soon” removes import duties and other barriers to US goods, escalating global trade tensions.“Based on the Tariffs and Trade Barriers long placed on the US and it great companies and workers by the European Union, if these Tariffs and Barriers are not soon broken down and removed, we will be placing a 20% Tariff on all of their cars coming into the U.S....