Complex sentence: As a consequence, the European Union decided in 2009 to make ESC mandatory--all new models must be equipped with ESC since November 01,2011, and by the end of 2013, all old models without ESC may not be sold anymore.
Split into simpler sentences: As a consequence the European Union decided in 2009 to make ESC mandatory--all new models must be equipped with ESC since 1. November 2011 and by the end of 2013 all old models without ESC may not be sold anymore.