The first skirmishes of a potential trade war betwen the EU and nations opposed to its unilateral Emissions Trading Scheme (ETS) being intrduces for all airlines using EU airspace which we blooged about earlier this year have now escalated into delays by China on Airbus aircaft.  http://uk.reuters.com/article/2012/03/16/uk-china-europe-ets-idUKLNE82F01920120316