EPA Acknowledges Truck Rule EJ Shortcomings But Tees Up GHG Rule

February 9, 2023
EPA is acknowledging that its newly finalized rule limiting nitrogen dioxide (NOx) emissions in the heavy-duty trucking sector has environmental justice (EJ)-related shortcomings but is setting high expectations that many of those will be addressed in its forthcoming phase 3 greenhouse gas rule for the same sector. In a Dec. 14 memo posted to the truck NOx rulemaking docket, EPA acknowledged that the final rule fell short of what was then a draft Science Advisory Board (SAB) report urging the...


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