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Two engine options in new Mazda6; updated 2.5L with cylinder deactivation, turbo 2.5L with Dynamic Pressure Turbo

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The updated Mazda6 ( earlier post ) introduced at the Los Angeles Auto Show this past week offers two powertrain options in the US: an upgraded SKYACTIV-G 2.5 engine, first unveiled at the 2015 LA Auto Show for the 2016 CX-9. Mazda’s Dynamic Pressure Turbo varies the degree of exhaust pulsation depending on engine speed.

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Mazda unveils new Mazda3; first production car to offer Skyactiv-X SPCCI engine with M Hybrid system

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The all-new Mazda3 will be on display at the Los Angeles Auto Show. Running on regular gasoline, SPCCI works by compressing the fuel-air mix at a much higher compression ratio, with a very lean mix. liter versions of the latest Skyactiv-G comprise the gasoline engine lineup for the new Mazda3.

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Mazda debuts CX-5 crossover with full SKYACTIV technologies for North America at LA Auto Show

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Mazda North American Operations (MNAO) unveiled its all-new 2013 CX-5 compact SUV ( earlier post ) at the Los Angeles Auto Show. liter gasoline engine with a 13:1 compression ratio. liter gasoline engine with a 13:1 compression ratio. Click to enlarge. The 2013 CX-5 features a SKYACTIV-G 2.0-liter

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Hyundai Unveils Its First Production Gasoline Direct Injection Engine

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Theta II GDI, its first Gasoline Direct Injection engine before an audience of engineers attending the Ninth Annual Hyundai-Kia International Powertrain Conference in Korea. GDI application will subsequently be expanded across the gasoline engine family and applied to other Hyundai models. Theta II GDI. Click to enlarge.

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Mazda begins production of Mazda CX-5 with SKYACTIV-D diesel engine; Japan and Europe first markets

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By precisely controlling fuel injection and improving the exhaust valve’s opening and closing mechanism, the SKYACTIV-D diesel engine has achieved breakthroughs to resolve longstanding issues encountered in low compression ratio engines, such as poor start capability and lower combustion stability when the engine is cold. Earlier post.)

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Ford to offer 1L EcoBoost in 2014 Fiesta in North America

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In a quick preview prior to the Los Angeles Auto Show next week, Bob Fascetti, Ford director of Global Engine Engineering, outlined 10 features of the engine enabling its performance and refinement: A split cooling system sends coolant separately to the block and to the cylinder head on separate thermostats.

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Audi takes aggressive stance with diesel in the US; four new models and new 3.0L diesel engine; challenge to policymakers

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In his press presentation at the Los Angeles Auto Show, Scott Keogh, the president of Audi of America, officially announced the addition of A8, A7, A6, and Q5 TDI diesel models to the Q7 and A3 TDI already on sale in the US. Earlier post.) —Scott Keogh. Although details on the US-spec 3.0L

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