
EPA Upholds 2027 NOx Rule Timeline, Snubbing Trucking Industry Appeals
November 20, 2025
EPA Advances Heavy-Duty NOx Rule Timeline for 2027 The U.S. Environmental Protection Agency (EPA) is proceeding with the implementation timeline for its heavy-duty nitrogen oxide (NOx) regulations, set to begin with the 2027 model year. However, the agency has indicated that modifications are forthcoming. In August, several organizations, including the American Trucking Associations (ATA) and […]
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