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Google and IEEE launch $1M challenge for downsized inverters

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As a few points of comparison, the Bosch INVCON 2.3 Evaluation Of The 2010 Toyota Prius Hybrid Synergy Drive System (ORNL, 2011). The grand prize winner will be announced sometime in January, 2016. Google and IEEE are emphasizing size reduction in their challenge, without targeting a specific application area such as automotive.

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Mercedes-Benz delivers first two of eight Citaro G BlueTec Hybrid buses to Dresden

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Mercedes-Benz has delivered the first two of a total order of eight Mercedes-Benz Citaro G BlueTec Hybrid ( earlier post ) buses to the Dresden (Germany) Transport Company. The articulated Citaro series hybrid uses a downsized diesel engine as the genset to provide power for a lithium-ion battery pack located on the roof.

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

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Pneumatic hybrid engine on the test bench. Researchers at ETH Zürich are developing a pneumatic hybrid engine—an internal combustion engine connected to a compressed air tank instead of a battery system. The compressed air supply also allows extreme downsizing. Rüegg / ETH Zurich. Click to enlarge.

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

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Comparison of Fuel Consumption, Fun to Drive and System Cost of the different powertrain concepts. full hybrid (power-split) system delivered a 36% compared to the baseline. However, the system cost of the Turbohybrid was 150% that of the baseline, while the system cost of the full hybrid was more than 300% that of the baseline.

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JAC and Ricardo develop production version of HyBoost concept; seeking 30% boost in fuel economy with same performance

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The Ricardo HyBoost concept is based on a downsized, highly boosted turbocharged direct injection gasoline (TDGI) engine giving improved fuel economy at low cost, linked to a 48V electrical architecture including a belt starter generator (BSG), DC-DC converter and a lithium-ion battery for energy storage. This launch vehicle replaces the 2.0L

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CALSTART survey of major auto suppliers finds 70% don’t want US to change CAFE targets; split on amount of electrification needed

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When presented with a list of technologies analyzed within a National Academies of Science report ( earlier post ) that might be used to meet fuel-efficiency standards, suppliers picked turbocharging and engine downsizing, along with higher-speed automatic transmissions, as the most critical. Ricardo survey.

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ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

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This will depend on each automaker’s assessment of diesel’s cost-effectiveness compared with other technologies, such as hybrids, and customer desire for the advantages of diesels. Diesel engines will also benefit from e-boosting and 48V mild hybridization. —Isenstadt and German (2017). Isenstadt and German (2017).

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