EPA Emission Standards for Heavy-Duty Highway Engines and Vehicles
Glossary
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- Heavy-Duty Highway Engine: Clean Fuel Fleet Exhaust Emission Standards (PDF)(1 pg, 76 K, March 2016, EPA-420-B-16-017)
- Heavy-Duty Highway Compression-Ignition Engines and Urban Buses: Exhaust Emission Standards (PDF)(2 pp, 110 K, March 2016, EPA-420-B-16-018)
- Heavy-Duty Highway Spark-Ignition Engines: Exhaust Emission Standards (PDF)(2 pp, 117 K, March 2016, EPA-420-B-16-019)
- Heavy-Duty Highway Compression-Ignition and Spark-Ignition Engines: Evaporative Emission Standards (PDF)(1 pg, 84 K, March 2016, EPA-420-B-16-020)