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Study comparing crash risk of EU and US vehicles indicates differences in performance

Green Car Congress

To compare risks, the researchers analysed a number of US and EU crash data sources using three statistical approaches to “triangulate” evidence regarding differences in crash and injury risk. To answer this question, it was necessary to separate risk from exposure because EU and US drivers drive in different environments.

Vehicles 150
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New inventory of black carbon emissions from China finds 2007 levels higher than previously reported

Green Car Congress

The paper by researchers from Peking University and Environment Canada appears in the ACS journal Environmental Science & Technology. Comparison of relative contributions from various sources to total BC emissions between China and other countries/regions including India, North America, and Africa. Earlier post.).

2007 271
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Study finds some improved cookstoves may emit more black carbon pollution than traditional mud cookstoves

Green Car Congress

The first real-world, head-to-head comparison of improved cookstoves (ICs) and traditional mud stoves has found that some ICs may at times emit more of the black carbon particles that are linked to serious health and environmental concerns than traditional mud stoves or open-cook fires. —Kar et al.

Pollution 231
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NREL LCA Harmonization Project delivers meta-analyses of lifecycle GHG emissions for energy technologies

Green Car Congress

At the present state of the science in meta-analysis of LCAs, the NREL studies do not employ the full gamut of statistical techniques used in ?elds elds where the underlying research designs are more homogeneous. — JIE editor-in-chief Reid Lifset. Special Issue: Meta-Analysis of Life Cycle Assessments , JIE.

Emissions 236
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Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

Green Car Congress

FRAPPÉ is a collaborative effort between the Colorado Department of Public Health and the Environment, the University of Colorado and Colorado State University, UC Berkeley, and other university collaborators, local projects and agencies including local school districts, NASA, NOAA, and NCAR. Supercomputing. Pfister, G.

Ozone 199
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Xerox Parc’s Engineers on How They Invented the Future—and How Xerox Lost It

Cars That Think

It employs approximately 350 researchers, managers, and support staff (by comparison, Bell Laboratories before the AT&T breakup employed roughly 25,000). Structured VLSI design, now taught in more than 100 universities. Pake was executive vice chancellor, provost, and professor of physics at Washington University in St.

Future 145
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NREL: battery second use offsets EV expense, improves grid stability; recommendations

Green Car Congress

In comparison to automotive service, use in this application will entail relatively benign duty cycles, generally much less than one cycle per day with discharge durations of greater than one hour. In addition, degradation and related statistics from automotive service should be quantified and shared.

Grid 150