SKYACTIV-X is an entirely new internal combustion engine from Mazda that combines the high-revving character of a gasoline engine with the fuel efficiency, torque and fast initial response of a diesel. With its proprietary combustion method called Spark Controlled Compression Ignition (SPCCI), SKYACTIV-X is set to become the world’s first* commercial gasoline engine to use compression ignition. SPCCI overcomes the long-standing issue of maximizing the zone in which compression ignition is possible and realizes a seamless transition between compression ignition and spark ignition.
* As of August 2017. According to in-house investigations.