U.S. airlines cry foul over new EU rule Regulation that places tough pollution standards on air carriers may spur legal action against the European Union. By Shelley Emling Cox International Correspondent Saturday, November 08, 2008 London —- A new European Union rule imposing tougher pollution limits on U.S. airlines violates international law and will likely result in a legal challenge, U.S. government officials say. All airlines flying in or out of the EU will have to cut emissions of carbon dioxide, a gas considered a major contributor to global warming, by 3 percent in 2012 and by 5 percent starting...