i) reference fuels, such as petrol, diesel, gaseous fuels and biofuels , such as ethanol, biogas and fatty and acid methyl ester (FAME).
i) standartdegvielām, piemēram, benzīnam, dīzeļdegvielai, gāzveida degvielai un biodegvielām , piemēram, etanolam un taukskābes metilesterim (FAME).