SCAQMD Poised To Adopt Railyard Indirect Source Rule Amid Legal Threat

July 31, 2024
California’s South Coast air district is poised to approve a novel “indirect source rule” (ISR) to reduce pollution caused by freight railyards, amid legal threats by the railroad industry and uncertainty whether EPA will approve a new state regulation targeting locomotives and survive ongoing litigation. South Coast Air Quality Management District’s (SCAQMD) governing board is slated at its Aug. 2 meeting to consider approving Proposed Rule 2306 (PR 2306), which seeks to reduce nitrogen oxide (NOx) emissions “associated with freight...


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