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MECA emissions inventory & air quality modeling shows potential benefits of national cleaner trucks initiative at CARB limits

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On 6 March 2020, the California Air Resources Board (CARB) proposed to set an intermediate FTP NO x emissions limit of 50 mg/bhp-hr in model years 2024-2026 with a final FTP standard of 20 mg/bhp-hr in 2027, representing a 90% reduction below today’s standard of 200 mg/bhp-hr. Source: MECA. ppb in the west (San Bernardino, CA) and 4.9

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EPA issues ANPR on Clean Trucks Initiative, seeking input from public and stakeholders

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This rulemaking will also offer opportunities to streamline and improve certification procedures to reduce costs for engine manufacturers. EPA is seeking input from the public and interested stakeholders. From 2007 to 2017, US NO x emissions dropped by more than 40%.

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New EPA Rules Further Reduce HCFCs to Protect Ozone Layer

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The US Environmental Protection Agency (EPA) has announced two final rules that will further reduce the availability and use of hydrochlorofluorocarbons (HCFCs), which are primarily used as refrigerants and harm the ozone layer. The 2010 HCFC Regulations.

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UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

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Another important component of emissions is volatile organic compounds (VOCs), a broad classification of carbon-based molecules that are easily vaporized and that can contribute to ozone formation. Resources Samuel J. While some VOCs are released in exhaust, others may arise from an unexpected source—e.g., Cliff, Alastair C.

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US reaches $1.5B settlement with Daimler AG over emissions cheating in Mercedes-Benz diesels; civil penalty of $875M

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The US Environmental Protection Agency (EPA), USDepartment of Justice (DOJ), and California Air Resources Board (CARB) announced a proposed settlement with Daimler AG and its American subsidiary Mercedes-Benz USA, LLC resolving alleged violations of the Clean Air Act and California law associated with emissions cheating.

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EPA launches Cleaner Trucks Initiative to update NOx standards for heavy-duty trucks

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The EPA’s goal is to develop a program that could be adopted by EPA and the California Air Resources Board, creating a 50-state program, which would streamline compliance for manufacturers. —Acting EPA Administrator Andrew Wheeler. From 2007 to 2017, US NO x emissions dropped by more than 40%.

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DOE HPC4Mfg program funds 13 projects to advance US manufacturing; welding, Li-S batteries among projects

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A US Department of Energy (DOE) program designed to spur the use of high performance supercomputers to advance US manufacturing has funded 13 new industry projects for a total of $3.8 GM and EPRI. the prediction of weld residual stresses in the dissimilar welds of nuclear piping systems.