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New Efficient Supercharger with Variable Drive for Downsized Gasoline Engines

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The Rotrak solution overcomes this constraint by connecting the supercharger to the engine by a compact variable drive, allowing efficient operation across the whole engine speed range. The need to reduce CO 2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. million today to 12 million by 2016.

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Volkswagen of America bringing in downsized 1.8L EA888 engine to displace 2.5L; all vehicles E15 capable

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The EA888 is one of the Volkswagen Group’s three major engine lines: EA 211 (gasoline engines 1.0l to 1.6l); EA 888 (Gen3 gasoline engines 1.8l to 2.0l); and EA 288 (MDB diesel engines). Volkswagen predicts fuel highway fuel economy will improve by up to 17% with the downsized engine. The Beetle and Beetle Convertible 2.5-liter

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Audi using supplementary port fuel injection to address particulates from gasoline direct injection

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In part-load operation, the indirect injection supplements direct gasoline injection to improve fuel economy and to reduce the output of particulates from the engine. GDI technology provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Earlier post.). Earlier post.)

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Volvo to concentrate on hybrids and downsized engines for US

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Volvo Car Corporation will rely on a powertrain strategy based on its new downsized 4-cylinder VEA (Volvo Environmental Architecture) engine platform ( earlier post ) and hybrids for the US market, said John Maloney, recently appointed President of Volvo Cars, US, in an interview at the Detroit Auto Show. Earlier post.) Earlier post.)

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Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

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However, while Mazda plans to offer hybrid vehicles in the medium-term, its engineers are pushing hard to increase the efficiencies of both the gasoline and diesel platforms, moving toward what they call “the ideal Internal Combustion Engine.” Extreme compression ratio rather than downsizing. mm compared to 87.5

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Kia launching new diesel 48V mild-hybrid powertrain in 2018 on Sportage; more models to come

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Kia Motors will introduce its first 48V diesel mild-hybrid powertrain in the second half of 2018. The Kia Sportage will be the first model to offer the new EcoDynamics+ diesel mild-hybrid powertrain later in 2018. The powertrain will also be adapted for use in gasoline engines.

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Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

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Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. Source: ETH Zürich. Click to enlarge. Earlier post.). Dönitz et al.