Esimerkiksi omassa maassani on kokemuksia siitä, että kansallisesti säädetty energiavero, sen ensimmäinen versio, tuomittiin unionin kilpailusäädösten vastaiseksi. ###>For example, in my own country we experienced the situation where an energy tax that was brought in at national level in its first version was found to be in violation of the Union' s acts on competition.