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PM2.5, O3 pollution associated with development of Alzheimer’s disease; new study identifies evolving axonal damage

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and ozone at or above the current standards have been linked to neuroinflammation and high risk of Alzheimer’s disease (AD). suggesting long-term exposure to PM 2.5 , as well as ozone above the current US EPA standards, are associated with increased risk of Alzheimer’s disease. Exposures to concentrations of PM 2.5 g/m 3 in PM 2.5

Pollution 318
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ACEEE report recommends steps toward international alignment of heavy-duty vehicle efficiency standards

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A new report published by the American Council for an Energy-Efficient Economy (ACEEE) recommends the international harmonization of fuel efficiency and/or greenhouse gas emissions standards for heavy-duty trucks and buses. This report explores whether and how heavy-duty standards programs could be better aligned across regions.

Standards 240
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Air pollution regulations over last decade in Chinese city has halved health costs

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The study is the first to document the health and economic benefits of policies to reduce the burden of air pollution in a highly polluted area of China, and provides a model to measure how policies to improve air quality can protect human health. Results appear in an open access paper in the journal Environment International.

Pollution 218
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SwRI engineers help develop post-refinery diesel treatment that overcomes soot/NOx tradeoff for cleaner burning fuel

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Internal combustion engines, when burning a fuel-air mixture, produce harmful pollutants such as soot and NO x. Although engine manufacturers routinely develop cleaner engines for new vehicles, older model vehicles continue to contribute heavily to pollution levels.

Cleaner 321
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FCA US LLC to pay ~$300M in criminal penalties over diesel emissions test cheating

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According to the company’s admissions and court documents, beginning at least as early as 2010, FCA US developed a new 3.0-liter FCA US received credit for cooperation with the department’s investigation and has enhanced, and committed to further enhance, its compliance program and internal controls.

Emissions 344
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European Strategy for low-emission mobility stresses digital tech, electrification and ZEVs

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While further improvements to the internal combustion engine will be needed, Europe needs to accelerate the transition towards low- and zero-emission vehicles. The Commission is also working on improving road charging, to make it fairer and more efficient and better reflect the polluter-pays and user-pays principles.

Emissions 150
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Study urges tougher target for California LCFS; up to 26% by 2030 under high performance scenario

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California can reduce carbon emissions by more than 70 million metric tons by 2030—akin to taking 15 million gasoline-powered cars off the road in one year—by adopting a higher target for its Low Carbon Fuel Standard (LCFS), according to an analysis released by the UK-based research firm Cerulogy.