• "Diesel Exhaust in the United States"
  (June 2003, EPA420-F-03-022)
  Fact sheet with an overview of diesel exhaust health and environmental effects.

412K PDF

• "Reducing Air Pollution From Nonroad Engines"   (EPA420-F-03-011, April 2003)

151K PDF

• "Emission Regulations for Stationary and Mobile Engines"  (EPA420-F-02-034, September 2002)

479K PDF

• "How to Maintain or Rebuild Engines Certified to EPA Standards"  (EPA420-F-02-035, September 2002)

407K PDF

• "Overview of EPA's Emission Standards for Marine Engines" (EPA420-F-04-031, August 2004)

• "Blue Sky Series Engines"  (EPA420-F-02-036, September 2002)

397K PDF

• "Emission Standards Reference Guide for Heavy-Duty and Nonroad Engines"   (EPA420-F-97-014, September 1997)
  

145K PDF

This document provides a detailed listing of existing and proposed Federal and California standards for model years 1990 and later.

• "Nonroad Engine and Vehicle Emission Study Report "
  (EPA-21A-2001 or EPA460/3-91-02, November 1991).
  This "nonroad study" quantifies the contribution of nonroad sources to air pollution, including volatile organic compounds (VOCs), oxides of nitrogen (NOx), carbon monoxide (CO), and particulate matter (PM). This study covers 10 equipment categories, including: lawn and garden equipment, farm and construction equipment, recreational vehicles, marine vessels, and airport service equipment.

• Body of report

1.8MB PDF

• Appendices

7.7MB PDF

Consumer Information

On-road Vehicles and Engines

Nonroad Engines, Equipment, and Vehicles

Fuels and Fuel Additives

Voluntary Programs

Transportation and Air Quality Planning

Modeling, Testing, and Research