How Mazda's Spark Controlled Compression Ignition Engine Works How HCCI Engines Work - https://youtu.be/OVWZFdb_AGc Subscribe for new videos every Wednesday! - https://goo.gl/VZstk7 Mazda may have solved the mystery of HCCI engines with their latest engine to be introduced in 2019, SkyActiv-X. The engine uses a spark plug to overcome the challenges generally associated with HCCI engines. The engine will be capable of running on compression only, or using a spark plug to control timing. Compression ignition gasoline engines are 20-30% more efficient, yet have much cleaner emissions than diesel engines as they burn cooler, limiting the amount of NOx. From...
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