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Mazda Creates The Holy Grail Of Gasoline Engines - HCCI SkyActiv-X

4,654 Views· 08/13/17
Engineering Explained
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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 Mazda s Press Release regarding SkyActiv-X: "Technological innovations - SKYACTIV-X is the world’s first commercial gasoline engine to use compression ignition, in which the fuel-air mixture ignites spontaneously when compressed by the piston - A proprietary combustion method called Spark Controlled Compression Ignition overcomes two issues that had impeded commercialization of compression ignition gasoline engines: maximizing the zone in which compression ignition is possible and achieving a seamless transition between compression ignition and spark ignition. Features - This new proprietary combustion engine combines the advantages of gasoline and diesel engines to achieve outstanding environmental performance, power and acceleration performance. - Compression ignition and a supercharger fitted to improve fuel economy together deliver unprecedented engine response and increase torque 10–30 percent over the current SKYACTIV-G gasoline engine.3 - Compression ignition makes possible a super lean burn4 that improves engine efficiency up to 20–30 percent over the current SKYACTIV-G, and from 35–45 percent over Mazda’s 2008 gasoline engine of the same displacement. SKYACTIV-X even equals or exceeds the latest SKYACTIV-D diesel engine in fuel efficiency. - With high efficiency across a wide range of rpms and engine loads, the engine allows much more latitude in the selection of gear ratios, providing both superior fuel economy and driving performance." Don t forget to check out my other pages below! Facebook: http://www.facebook.com/engineeringexplained Official Website: http://www.howdoesacarwork.com Twitter: http://www.twitter.com/jasonfenske13 Instagram: http://www.instagram.com/engineeringexplained Car Throttle: https://www.carthrottle.com/user/engineeringexplained EE Extra: https://www.youtube.com/channel/UCsrY4q8xGPJQbQ8HPQZn6iA NEW VIDEO EVERY WEDNESDAY!

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