WELLINGTON – New Zealand Prime Minister Christopher Luxon has promised that his country will not stop supplying Singapore with food, whatever the uncertainties from the war in Iran.In return, Singapore will impose no export limits on fuel to New Zealand, Mr Luxon said, ahead of his three-day visit to Singapore. He arrives on May 3.In an exclusive interview with The Straits Times on April 29 in his Beehive office, he described New Zealand’s commitment to supplying food to Singapore in a crisis as a “rock-solid guarantee”. “We acknowledge we feed a lot of people around the world. We’re the best…