US President Donald Trump said on Friday that he would increase the tariffs charged on cars and trucks from the European Union next week to 25 per cent, a move that could jolt the world economy at a fragile moment.Trump said in the post that the EU “is not complying with our fully agreed to Trade Deal”, though he did not flesh out his objections in the post.Trump and European Commission President Ursula von der Leyen had agreed to the trade deal last July. It set a 15 per cent tariff on most...