Brussels, 11/04/2012 (Agence Europe) - The emissions credits scheme for the aviation sector (ETS) remains a highly controversial issue, even for regional airlines which do not have to face international pressures. They, too, are calling for a resolution to the disputes with third countries to be found through the aegis of the International Civil Aviation Organisation (ICAO), though they have not commented on whether the cost of trading in rights to pollute will bring an increase in their...