Mazda's 2019 SkyActiv-X engine may have cracked the HCCI engine challenge. It uses a spark plug to address typical HCCI problems but can also run on compression alone. These engines are 20–30% more ...

News that Mazda is hoping for a 30% fuel efficiency gain on an HCCI (Homogeneous Charge Compression Ignition) engine to be introduced on the next generation Mazda3 in late 2018 brings this technology ...

About 45 percent of European orders for the CX-30 compact crossover are specified with the SkyActiv-X, a four-cylinder engine with spark-controlled compression ignition, a supercharger, the Miller ...

I don’t think anyone can dispute that Mazda is for the people. That it keeps the Miata humble and therefore objectively great is all I need to defend my case, but there’s also the fact that the ...

Making a new engine while the world’s rushing to switch to electric vehicles only? Mazda said, “why not?” There’s a new innovator in town and it wants you to pay attention. Mazda’s SkyActiv-X engines ...

A.Here's a pressure-volume diagram for a combustion engine. Although rough, it is an approximation of the so-called air-standard cycle. '' Point (a) is at atmospheric pressure, after which the air is ...

For hundreds of years of human history, the invention that has defined our ability to travel, explore, and expand our boundaries has been the combustion engine. This hallmark of mechanical development ...