Vir - besedilo: 31998L0070 Directive 98/70/EC of the European Parliament and of the Council of 13 October 1998 relating to the quality of petrol and diesel fuels and amending Council Directive 93/12/EEC, Preamble (12)
Definicija: z dodajanjem s kisikom bogatih sestavin
Vir - besedilo: 31998L0070 Direktiva Evropskega parlamenta in Sveta 98/70/ES z dne 13. oktobra 1998 o kakovosti motornega bencina in dizelskega goriva ter spremembi Direktive 93/12/EGS