It is mandatory that, whether differentiated or not, all the liquid fuel types released to the market in our Country by the licensees are in conformity with the European Union standards and the technical arrangements determined by the Energy Market Regulatory Authority. In this context, all of them can be used safely for vehicles, by fuel types. By types of vehicles such as automobiles, busses, trucks, articulated lorries, tractors etc., there are no restrictive differences between differentiated products and others with regard to the regulated characteristics such as quality, etc.