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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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Study finds that current approach to limiting wintertime pollution may initially backfire

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The processes that create ozone pollution in the summer can also trigger the formation of wintertime air pollution, according to a new study from researchers at the University of Colorado Boulder and NOAA, in partnership with the University of Utah. In Utah’s urban Salt Lake Valley, wintertime levels of PM 2.5

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