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Emission Standards Reference Guide
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EPA Emission Standards for Nonroad Engines and Vehicles

Glossary

Terms and acronyms

  • Aircraft: Exhaust Emission Standards (PDF)(1 pg, 86 K, March 2016, EPA-420-B-16-021) 
  • Nonroad Compression-Ignition Engines: Exhaust Emission Standards (PDF)(3 pp, 134 K, March 2016, EPA-420-B-16-022)
  • Nonroad Large Spark-Ignition Engines: Exhaust and Evaporative Emission Standards (PDF)(1 pg, 84 K, March 2016, EPA-420-B-16-023)
  • Locomotives: Exhaust Emission Standards (PDF)(2 pp, 88 K, March 2016, EPA-420-B-16-024)
  • Marine Compression-Ignition (CI) Engines: Exhaust Emission Standards (PDF)(5 pp, 181 K, July 2020, EPA-420-B-20-021)
  • Marine Spark-Ignition Engines and Vehicles: Exhaust Emission Standards (PDF)(2 pp, 118 K, March 2016, EPA-420-B-16-026)
  • Nonroad Recreational Engines and Vehicles: Exhaust Emission Standards (PDF)(1 pg, 84 K, March 2016, EPA-420-B-16-027)
  • Nonroad Spark-Ignition Engines 19 Kilowatts and Below: Exhaust Emission Standards (PDF)(2 pp, 110 K, March 2016, EPA-420-B-16-028)
  • Nonroad Spark-Ignition Engines 19 Kilowatts and Below, Recreational Engines and Vehicles, and Marine Spark-Ignition Engines: Evaporative Emission Standards (PDF)(2 pp, 95 K, March 2016, EPA-420-B-16-029)
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Last updated on October 4, 2021