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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

Green Car Congress

One significant trend is engine downsizing coupled with turbocharging. Smaller, turbocharged engines can be used to raise fuel economy while meeting or exceeding the power and torque of larger engines, allowing engine downsizing and improved fuel economy with little or no performance compromise.

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BluE Nexus’s first eAxle adopted on Toyota’s bZ4X EV

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BluE’s first eAxle has achieved excellent dynamic performance and downsizing and helps vehicles increase their electric mileage. BluE Nexus Corporation, AISIN CORPORATION, and DENSO Corporation jointly developed an eAxle for Toyota’s new battery-electric bZ4X. Earlier post.)

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StoreDot says its silicon-dominant batteries will enable smaller battery packs capable of extreme fast charging, leading to more accessible EVs

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StoreDot, the developer of extreme fast charging (XFC) battery technology ( earlier post ), says it will soon be manufacturing silicon-dominant batteries that enable car makers to design and produce cheaper, lighter and more sustainable EVs. When charging times are no longer an issue, it makes a lot more sense to fit smaller battery packs.

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Federal-Mogul Introduces New Diesel Piston Design to Support Downsized Engines with Higher Output

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Federal-Mogul Corporation has developed an innovative aluminum piston design that can reliably withstand the mechanical and thermal loads produced by heavily boosted engines, thereby enhancing diesel engine performance and supporting diesel downsizing. The grain size of the re-melted part is approximately one tenth of the as-cast size.

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New lightweight aluminum piston from Federal-Mogul enables further downsizing of gasoline engines

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The new Advanced Elastoval II piston is lighter, delivers increased power outputs and can withstand the higher pressures that occur late in the combustion cycle of highly charged downsized engines. piston design, analysis tools and testing at Federal-Mogul’s global development centers have. optimized design. optimized design.

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Simulation study finds “Millerizing” the Scuderi split-cycle engine could enable 50% engine downsizing with retention of power and torque, along with reduced fuel consumption

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Simulation study finds Miller version of Scuderi engine can deliver twice the BMEP as naturally aspirated version, theoretically enabling 50% downsizing while maintaining performance. Applying the Miller cycle to the Scuderi engine (right) entails downsizing of the compression cylinder. Source: Scuderi. Click to enlarge.

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Hyliion introduces next-generation battery module for Class 8 hybrid systems; Toshiba LTO cells

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Safety –The new module design reduces the operating temperature of the cells allowing for a safer operating environment. The design has already passed UN 38.3 Hypertruck ERX pairs a downsized generator with a small battery pack.

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