Brussels, 13/02/2012 (Agence Europe) - Addressing the aviation community in Asia-Pacific, European Transport Commissioner Siim Kallas had to face many questions regarding the European system of emissions credits, at the Aviation Leadership summit in Singapore on Monday 13 February. The European directive, which has been applied to aviation for the last two months, has come in for harsh criticism internationally. Kallas said that he wished to reach a solution which is acceptable to all,...