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CPT/AVL Study: New Generation of Micro-Hybrid Technologies Can Enable More than 25% Reduction in Fuel Consumption at Lower Cost Than Full Hybrid Drive Systems

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liter ELC-Hybrid to downsized 1.4L VTES + SpeedStart. CPT and AVL have been working for the past 18 months to develop a value-driven micro/mild HEV solution, utilizing CPT’s production-ready VTES electric supercharger ( earlier post ). Reductions in fuel consumption and CO 2 from base 2.0-liter Click to enlarge.

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GM, Ford R&D execs stress importance of improved, advanced fuels for future engine efficiency gains, GHG goals

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David Brooks, Director for General Motors Global Propulsion Systems R&D located in Pontiac, gave a more medium-term perspective, emphasizing a pragmatic approach toward reducing CO 2 with an eye to 2025. According to Brooks, among the technologies GM is looking to in the gasoline engine area are: Continued aggressive downsizing.

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Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

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Over the entire lifecycle of the C 180, the lifecycle analysis yields a primary energy consumption of 521 gigajoules (corresponding to the energy content of around 16,000 liters of gasoline); an environmental input of approx. Where energy resources are concerned, lignite, hard coal and uranium figure principally in car production.

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Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

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Internal combustion engines have been significantly improving in the past decade, after the adoption of technologies such as Gasoline Direct Injection, mild electrification, downsizing and turbocharging. The OSU EcoCAR prototype vehicle features an extended-range electric architecture with a downsized 1.8L Power from ORC.

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AVL Concept Turbohybrid Mild Hybrid System Approaches Full Hybrid Fuel Savings at Lower Cost; Improved Driveability

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The clutch module contains a second clutch, currently not activated, which can disconnect the combustion engine from the drive train to enable electric-only driving in a future phase. Downsizing a gasoline engine (e.g., Click to enlarge. Stage 1 of the Turbohybrid powertrain concept. Click to enlarge. The Turbohybrid system.

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ETH Zürich Developing Pneumatic Hybrid Engine; Approaches Hybrid-Electric Performance at Lower Cost

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The pneumatic hybrid engine, which follows the downsizing and supercharging paradigm, offers a fuel-saving potential that is almost equal to that of hybrid electric powertrains while inducing much lower additional mass and cost penalties, according to the ETH Zürich researchers. The compressed air supply also allows extreme downsizing.

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DOE awards Envera $2.8M to develop and to test efficient variable compression ratio engine

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The new engine will achieve high efficiency using the Atkinson Cycle with an 18:1 compression ratio, combined with aggressive engine downsizing. Engine downsizing is a key tool in improving fuel economy. The control shaft can be rotated by a hydraulic actuator or an electric motor. Earlier post.).

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