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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% The 12-month average fuel economy for the P70 hybrid vans is 13.1 Source: Lammert 2009. Click to enlarge. Eaton hybrid system schematic. Click to enlarge. Eaton Corp.

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CMU team details impact of regional and drive-cycle variations on degradation of a PHEV battery pack

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A team at Carnegie Mellon University (CMU) led by Dr. Jeremy Michalek has investigated the implications of regional and drive cycle variations on the degradation of a plug-in hybrid electric (PHEV) battery. a) Capacity Fade in Phoenix, comparison of air cooling vs no cooling for two drive cycles. (b)

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U-M study finds current CAFE standards create profit incentive for larger vehicles

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The current vehicle footprint-based Corporate Average Fuel Economy (CAFE) standards create a financial incentive for automakers to increase vehicle size, except under certain limited conditions of consumer preference for vehicle size, according to a study by University of Michigan researchers Kate Whitefoot and Steven Skerlos.

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Study finds cities can reduce CO2 more easily from residential conservation than transportation

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A new study by a team from the University of Pennsylvania and MIT suggests it will be easier for cities to reduce CO 2 emissions coming from residential energy use rather than from local transportation. The study did find that in Phoenix, one of the 11 cities examined, greater density would have a notable effect on emissions.).