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NREL study finds 2nd-generation diesel hybrid delivery vans show significant gains in fuel economy over conventional vans

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The US Department of Energy’s (DOE)’s National Renewable Energy Laboratory (NREL) has published a report on an 18-month evaluation of in-service second-generation diesel-electric hybrid delivery vans and found significant fuel economy benefits of the hybrids compared to similar conventional vans. —“Eighteen-Month Final Evaluation.

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NREL study finds Class 8 hybrid trucks delivered 13.7% higher fuel economy than conventional diesels in comparable usage

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Laboratory and in-use fuel economy comparison. Eaton hybrid system schematic. The hybrid group accumulated 27% fewer miles than the diesel group during the study, although the hybrids were driving a comparable number of miles per operational day. The team found that hybrid fuel costs per mile were 12% less than for the diesels.

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Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

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In comparison with the incumbent fixed-ratio positive-displacement supercharger on a 1.0L Test results for NVH show the sound pressure of a V-Charge installation is up to 15.9dB(A) lower than a similar Eaton system with encapsulation, and 19.7 dB(A) lower than the similar Eaton system without encapsulation.

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NREL Study Finds UPS First-Generation Hybrid Vans Deliver Almost 29% Greater Fuel Economy

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UPS van fuel economy comparison. UPS’ first-generation diesel hybrid delivery vans improved the on-road fuel economy by 28.9% Eaton hybrid system schematic. Eaton Corp. The hybrid system employs an Eaton automated transmission with an integrated motor/generator (26 kW/ 44 kW peak) and a 340 VDC, 1.8

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Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

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Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration.

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First drive: Volvo XC90 T8 Drive-E Twin Engine PHEV sets a high bar for full-size luxury SUV plug-ins in US

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While the Mercedes GLE 550e will use a 3L twin-turbo V6 and the Audi Q7 e-tron a 3L TDI diesel, the BMW X5 xDrive 40e also features a 2.0L Bottom) Acceleration comparison of the new XC90 T8 PHEV, the older V8-powered XC90, and the Tesla Model S 85. Both diesel and gasoline engines use a common, lightweight base engine—i.e.,

Volvo 150
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ICCT-led analysis of turbocharged, downsized engine tech finds lower costs and greater benefits than 2012 EPA/NHTSA analysis; 48V, e-boost, Miller

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A new white paper published by the International Council on Clean Transportation (ICCT), in collaboration with Eaton, Ricardo, JCI, BorgWarner, Honeywell, and the ITB Group, analyzes current turbocharged, downsized gasoline engine technology developments and trends.