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China study connects ozone pollution to cardiovascular health

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Exposure to ozone, long associated with impaired lung function, is also connected to health changes that can cause cardiovascular disease such as heart attack, high blood pressure and stroke, according to a new study of Chinese adults. The findings associated ozone exposure with markers of platelet activation and increased blood pressure.

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California ARB announces $24M grant solicitation for zero-emission truck and bus pilot commercial deployment projects

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The California Air Resources Board (ARB) announced a grant solicitation for Zero-Emission Truck and Bus Pilot Commercial Deployment Projects. Medium- and heavy-duty on-road trucks and buses are a significant source of emissions of greenhouse gases (GHG); diesel particulate matter 2.5 emissions, and 5% of GHG emissions.

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San José International deploys 10 Proterra electric buses in airport fleet

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Funded in part by a $5-million zero-emissions grant from the Federal Aviation Administration, the electric buses replace the aging compressed natural gas bus fleet that has been operating at SJC since 2008. The electric bus fleet is anticipated to reduce ozone emissions by 1.1 SJC has been one of America’s fastest?

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Northwestern/Princeton study explores air quality impacts of aggressive conversion to EVs

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For example, states in the western US (WUS) generally produce a larger fraction of their electricity from renewable and/or “emission-free” sources (i.e., Most studies that have examined the impact of EVs report only changes in the total emissions associated with their adoption, but do not consider their spatial or temporal variation.

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EPA awards $6M in research funding to improve air quality models

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The US Environmental Protection Agency (EPA) announced $5,959,842 million in research funding to nine institutions to improve air quality models used to simulate ozone, particulate matter (PM), regional haze, air toxics, and emerging pollutants. It will also inform the development of strategies for improving air quality.

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EPA, NHTSA issue One National Program Rule; EPA withdraws CA waiver for GHG and fuel economy

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This action is based on the premise that federal law preempts state and local tailpipe greenhouse gas (GHG) emissions standards as well as zero emission vehicle (ZEV) mandates. California’s ability to enforce its Low Emission Vehicle program and other clean air standards to address harmful smog-forming vehicle emissions—i.e.,

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EPA, NSF, NOAA, Southern Company and EPRI contribute >$20M to fund SouthEast Atmosphere Study

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SAS involves dozens of other domestic and international research institutions, and is one of the largest North American air quality and climate studies in decades. SOAS objectives include the direct quantification of VOC, ozone and NO x surface fluxes and the reconciliation of differences with “blank-down” emission estimates.

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