Fuel supply is steady, but be prepared if the Middle East conflict drags on, Z Energy says. (Image: Getty)New Zealand’s fuel supplies are secure for the next two to three months, but renewed disruption in the Middle East is tightening international product markets and reducing the reserves available to cushion a prolonged crisis, Z Energy says.Z general manager of supply Julian Hughes said the company’s supply arrangements remained intact for the coming months, but NZ should be prepared for tougher measures, including rationing, if the Middle East crisis worsened. “We’ve got our full order book, and there’s no dis...