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UC Davis buys 6 NFI electric Xcelsior CHARGE buses using California state contract

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Unitrans, the University of California, Davis transit system, has purchased six Xcelsior CHARGE battery-electric, forty-foot heavy-duty transit buses from NFI subsidiary New Flyer of America Inc. UC Davis utilized the California Department of General Services (DGS) contract for the procurement.

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ITS-Davis director Dan Sperling to chair US Transportation Research Board

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Dan Sperling, director of the Institute of Transportation Studies at UC Davis, and member of the California Air Resources Board, has been appointed the 2015 chair of the Transportation Research Board’s Executive Committee, which provides independent scientific advice to the nation on transportation issues.

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UCI-led study finds California’s strict air quality regulations have helped farmers

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Researchers at the University of California, Irvine and other institutions have conducted a statistical analysis of pollution exposure and yields from 1980 to 2015 on a key sector making up about 38% of the state’s total agricultural output: perennial crops such as almonds, grapes, nectarines, peaches, strawberries and walnuts. Mueller, N.D.,

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Study Concludes Warming Climate Will Increase Ozone Levels in Major California Air Basins; Climate Change and Regional Air Quality Are Intertwined Problems

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Illustration of projected ozone changes in the South Coast region due to climate change in 2050. The study also predicts that peak concentrations of dangerous airborne particles will increase in the San Joaquin Valley due to the effects of climate change on wind patterns. Kleeman of UC Davis, lead author.

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Study Finds Stratospheric Water Vapor Is An Important Driver of Decadal Global Surface Climate Change

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Earlier observations from satellites and balloons suggest that stratospheric water vapor probably increased between 1980 and 2000, which would have enhanced the decadal rate of surface warming during the 1990s by about 30% compared to estimates ignoring this change, according to the authors. —Solomon et al.

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US COVID-19 mitigation efforts resulting in significant decline in traffic, emissions and fuel-tax revenues

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A new report from the Road Ecology Center at the University of California, Davis has found that total US vehicle miles traveled (VMT) at the county and state level have declined by 61% to 90% following the various government stay-at-home orders in response to the COVID-19 pandemic. UC Davis Road Ecology Center).

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New Tool to Assist in Deciding Whether to Use Managed Relocation of Species in Adaptation to Climate Change

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A new tool to help decision-makers determine if, when and how to use managed relocation of species to help them adapt to rapid climate change and other threats is described in the current issue of the Proceedings of the National Academy of Sciences (PNAS) by a multi-disciplinary working group.