Brussels, 03/03/2008 (Agence Europe) - Despite the problems caused to air passengers, no third country, with the exception of Singapore, has used the system of mutual recognition of airport security proposed by the European Commission in July of last year to relax rules on the carrying of liquids on board aircraft. Given this, the Airports Council International (ACI) and the European Travel Retail Council (ETRC) have called on third countries to accept European standards and on the...