Mazda’s implementation of the Miller-cycle engine in their production vehicles, starting with the 1995 Xedos 9, marked a significant shift in automotive powertrain design. The unique 2.25-litre V6 ...

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Mazda has developed a new, naturally aspirated MZR 1.3L Miller-cycle engine for the redesigned Demio (exported as the Mazda 2) which goes on sale in Japan in July 2007. The engine delivers up to a 20% ...

Two-stroke engines have steadily fallen out of favor over the last 50 years or so. While they sport great power-to-weight ratios and are often much simpler mechanically than their four-stroke ...