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Calif. ARB releases GHG scoping plan update; more ZEVs, “LEV IV”, MD and HD regulations; ZEV for trucks; more LCFS

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The update identifies eight key sectors for ongoing action: Energy; Transportation, fuels, land use and infrastructure; Agriculture; Water; Waste management; Natural lands; Short-Lived Climate Pollutants (such as methane and black carbon); and Green Buildings. Transportation. Background.

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Study finds changes in the Arctic sea ice cover may be driving changes in atmospheric chemistry

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The connection between changes in the Arctic Ocean’s ice cover and bromine chemical processes is determined by the interaction between the salt in sea ice, frigid temperatures and sunlight. Bromine also can remove ozone from the lowest layer of the atmosphere, the troposphere. —Son Nghiem.

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California ARB and NOAA Collaborating in $20M Research on Interaction of Air Pollution and Climate Change; One Atmosphere Approach

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Although separate programs are in place to research and manage both air quality and climate change effects, these problems are not separate and in fact are intimately connected. The complex roles that ozone and aerosols play in the atmosphere provide examples of such trade-offs. 2010 CalNex Science and Implementation Plan.

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Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

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Photochemical Ozone Creation Potential (kg Ethene equivalent). Quantifies the production of pollutant ozone (? to ozone layer), the results of the reaction of sunlight on NO x and volatile organic compounds. Characterizes the acid substances increase (NO x , SO 2.) in lower atmosphere, source of acid rains and forests depletion.

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New Comprehensive Lifecycle Energy and Emissions Inventory Includes Non-Operational Components; Large Aircraft Can Perform Better than Light Rail

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In order to effectively mitigate environmental impacts from transportation modes, life-cycle environmental performance should be considered including both the direct and indirect processes and services required to operate the vehicle. The study was published 8 June in the open access IOP journal Environmental Research Letters.

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Plug-in Hybrid Study: Electricity Better

Plugs and Cars

Simply put, the study found what advocates of electric transportation have long held to be true: as regards greenhouse gases and pollution generally speaking, the worst electricity is still better than petroleum. And the grid is getting cleaner and more renewable every year.

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California issues draft plan for more efficient, less polluting freight system

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California agency leaders released the Draft California Sustainable Freight Action Plan , an ambitious document that lays a foundation for modernizing California’s multi-billion dollar freight transportation system. Improve freight system efficiency 25% by 2030. Foster future economic growth within the freight and goods movement industry.