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Texas study finds PHEV use could increase ozone at night, decrease ozone during the day

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A study by researchers at the University of Texas found that in general, use of plug-in hybrid electric vehicles (PHEVs) can lead to an increase in ozone during nighttime hours (due to decreased scavenging from both vehicles and EGU stacks) and a decrease in ozone during daytime hours.

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6 DOE-funded applied battery research projects targeting Li-ion cells with >200 Wh/kg for PHEVs and EVs

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The objective of the projects is to develop cells that provide more than 200 Wh/kg energy density, along with long cycle life and excellent abuse tolerance to enable 40-mile-range plug-in hybrid (PHEV) and electric vehicles (EVs). hybrid, pug-in hybrid or EV) using particle morphology, composition and nanocoatings.

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Electrovaya to supply Li-ion systems to Chrysler for 25 minivan PHEVs in 2-year fleet demo project with DOE

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Components of the flex-fuel PHEV minivan. The 25 Chrysler minivans will join a fleet of 140 Ram 1500 PHEV pickup trucks ( earlier post ) that are being deployed to 12 partners including local municipalities, state governments, universities and energy companies across the United States. Click to enlarge. Electrovaya Inc.

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Goodenough perspective on Li-ion batteries; in transportation, PHEVs for the near-term, longer term requires new electrochemical strategies

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John Goodenough at the University of Texas at Austin and colleague Kyu-Sung Park have written a perspective paper on Li-ion batteries (LIBs), published in the Journal of the American Chemical Society. More recently, at the University of Texas, Austin, Dr. Goodenough patented a new class of iron phosphate materials.

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ORNL, UT Austin team proposes optimization framework for hybrids; balancing fuel consumption, motor efficiency, battery capacity and life

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Researchers at Oak Ridge National Laboratory and the University of Texas at Austin have developed an optimization framework for hybrid-electric and plug-in hybrid-electric vehicles (HEVs and PHEVs) including fuel consumption, motor efficiency, and battery capacity and lifetime. Shaltout et al. Click to enlarge.

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Researchers suggest subsidies and policies targeting plug-ins with small battery packs would produce more benefits at lower cost

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Michalek, an associate professor at Carnegie Mellon University and his colleagues Mikhail Chester, an assistant professor at Arizona State University; and Constantine Samaras, an engineer at the RAND Corporation. The Toyota Prius Plug-in Hybrid with a 4.4 Earlier post.). Earlier post.). Issues in Science and Technology.

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CMU county-level study shows plug-ins have larger or smaller lifecycle GHG than gasoline ICE depending on regional factors

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The team from Carnegie Mellon University led by Dr. Jeremy Michalek accounted for regional differences in emissions due to marginal grid mix; ambient temperature; patterns of vehicle miles traveled (VMT); and driving conditions (city versus highway). Chevy Volt PHEV (EREV). Toyota Prius PHV PHEV (blended). —Yuksel et al.

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