Brussels, 16/01/2012 (Agence Europe) - As of Tuesday 17 January, flights booked with the low-cost airline Ryanair will cost an extra €0.25, which the Irish company claims is due to the carbon tax brought in by the EU. Since 1 January, aviation has had to comply with the European directive on trading in CO2 emissions credits (ETS), with airlines having been “given” 85% of their quotas; they will have to buy the rest of their emissions at auction. Ryanair claims that this will cost it...