Interestingly, the Skyactiv-X engines are force-fed air by a "lean" supercharger. According to Mazda, the roots-type compressor isn't there to add performance like a sports car, but is necessary ...

When Japanese automaker Mazda debuted the fourth-generation Mazda3 in 2019, it came with the brand's Skyactiv-X engine. This revolutionary powerplant combines the attributes of spark ignition and ...

We’ve been watching Mazda roll out the 2.0-liter four-cylinder Skyactiv-X engine in Japan and Europe, waiting our turn. When European authorities released fuel economy information for the high ...

As you can see in the video, the SkyActiv-X is not a true compression ignition engine all the time. The engine can’t run efficiently in what Mazda calls Homogenous Charge Compression Ignition ...

And the engine load and speed ranges at which Mazda wanted SPCCI to work mean that an HCCI process simply wouldn’t work. Skyactiv-X needs a lot of air, so it employs an unconventional ...

DON'T MISS: How Mazda's SkyActiv-X engine, based on HCCI, actually works (video) With that in mind, small Japanese carmaker Mazda has put a huge amount of research into improving the thermal ...

Welcome to the Mazda 3 Skyactiv-X prototype, which, all appearances to the contrary, is the most cutting edge member of the Japanese automaker’s fleet. The dash has been hacked up to mount a ...

Oh, and Mazda has a technical center in Germany with engineers as eager as we were to experience and wrap their heads around the new 3’s Skyactiv-X compression-ignition-capable inline-four ...

We’ll get into the facts and figures below, but talking in a broader sense the Skyactiv-X’s 178bhp power figure should also give the Mazda 3’s chassis a little more to work with, stitching ...