Daimler Trucks North America LLC, et al. v. EPA, No. 12-1433 (D.C. Cir. 2013)
Annotate this CaseThe EPA promulgated a rule in 2001 requiring a 95% reduction in nitrogen oxide emissions by heavy-duty motor vehicles by 2010. Petitioners, competitors of Navistar, challenged the EPA's 2012 rulemaking establishing nonconformance penalties (NCPs) to protect technological laggards, such as Navistar, by allowing them to pay a penalty for engines temporarily unable to meet a new or revised emission standard. The court granted the petition for review because of the lack of adequate notice and opportunity to comment on the amendments to the "substantial work" regulation. In light of the EPA's counsel's statement during oral argument that due to the changed circumstances of Navistar, vacatur would cause no harm, the court vacated the 2012 Rule.
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