On 5 October 2006 the European Court of Justice gave another ruling on the State aid implications in the long-winding story of partial energy rebates granted in Austria. For purposes of this short editorial this highly complicated story may be summarised as follows: Following a reference by the Austrian constitutional court the ECJ had already ruled on 8 November 2001 that the grant of rebates on energy levies only to undertakings the core business of whic