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nitrogen oxide emissions

85 FR 20426

ELR Federal Agency Update

84 FR 37816

ELR Federal Agency Update

83 FR 48751

ELR Federal Agency Update

Pennsylvania: Air quality

ELR State Update Item

78 FR 62509

ELR Federal Agency Update

Daimler Trucks North America LLC v. Environmental Protection Agency

ELR Case

The D.C. Circuit dismissed as moot truck engine manufacturers' lawsuit challenging four certificates of conformity EPA issued to another engine manufacturer pursuant to an interim final rule that allowed certificates to be issued to...