Foreign flights to slip under the radar of EU emissions limits

By Julia Fioretti BRUSSELS (Reuters) - International flights in and out of the European Union could be exempted from emissions limits for at least another four years to give the United Nations time to implement a global system to curb pollution from planes. The EU proposed extending the exemption, which was set to end at the start of 2017, on Friday to avoid a repeat of tensions when it tried to include all flights in 2012. Airlines who back the ICAO deal, which will not be mandatory until 2027,