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Mazda Aiming to First With Breakthrough HCCI Engine

High-mileage version of SkyActiv engine readying for next-gen Mazda3.

by on Jan.23, 2017

Mazda reportedly will use the new HCCI engine technology in the next Mazda3 model.

Barring a sudden shift by the new Trump Administration, automakers are facing a tough federal fuel economy target for 2025, and that has them looking at a variety of ways to deliver book mileage gains over the next few years.

Along with various battery-based technologies, a number of exotic internal combustion technologies are vying for acceptance, including a concept known as the homogeneous-charge compression ignition, or HCCI, engine. Combining attributes of the diesel but powered by gasoline, and promising major improvements in efficiency, HCCI may finally be ready for prime time.

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According to a report by Japan’s Nikkei Asian Review, Mazda and another, unnamed manufacturer plant launch an engine using HCCI technology late in 2018. Set to be used in the little Mazda3, the new SkyActiv engine is expected to deliver as much as a 30% bump in fuel economy compared to a comparable, conventional gas engine.

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First Drive: Mazda Skyactiv

Can Mazda deliver hybrid mileage without the hybrid?

by on Aug.12, 2011

The new Mazda CX-5 crossover will be the maker's first vehicle developed specifically to use the new Skyactiv system, though the Skyactiv powertrain will appear first on the 2012 Mazda3 update.

“We are a very small company,” says Kyoshi Fujiwara – again.  It’s a mantra repeated over and over by the Japanese engineer who has become something of the chief cook and bottle washer for Mazda’s ambitious Skyactiv project.

The far-reaching effort could be the make-it-or-break it for, yes, this very small company, which has largely severed its ties with Detroit giant Ford Motor Co.  Long known for going its own way with unusual technology – think Wankel rotary engine – Mazda is doing it again with Skyactiv, a system that it claims can deliver the fuel efficiency of a hybrid without the performance and price penalties.

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Early next year, Mazda will introduce the new Skyactiv-G gasoline engine on the updated Mazda3 sedan.  But the technology isn’t limited to just a new petrol powertrain, ala Ford’s EcoBoost.  With Skyactiv, Mazda claims to have re-thought the entire vehicle, coming up with both gasoline and diesel engines, advanced manual and automatic transmissions and lighter-weight platforms that further enhance its drive for improved fuel economy without sacrificing the company’s familiar zoom-zoom qualities.

TheDetroitBureau.com recently got a chance to take an in-depth look at the Skyactiv system and files this report.

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