Mazda Demio MZR Mazda Develops New Naturally-Aspirated MZR 1.3L Miller-cycle Engine The new MZR 1.3L engine powers the all-new Mazda Demio to achieve a fuel economy of 23.0 km/L and qualify for Japan's Green Tax exemptions Mazda Demio MZR demiomazdamzr in Public bookmarkswith autoautomotivecarsdemiomazdamzr