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National Clean Diesel Campaign (NCDC)

Working Together for Cleaner Air


The publications below may be downloaded and printed. They provide information regarding clean diesel programs, technologies, emissions reductions strategies, cost effectiveness and a broad array of other related information. To order free hard copies: National Service Center for Environmental Publications (NSCEP)

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

National Clean Diesel Campaign (NCDC)

Technology & Verification

Diesel Oxidation Catalyst (DOC)

Diesel Particulate Filter (DPF)

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Cost Effectiveness

School Bus


Ports & Marine


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SmartWay Transport

State Implementation Plans (SIP) & Conformity

Congestion Mitigation & Air Quality (CMAQ)

Health Effects

Reducing Diesel Emissions

Air Quality

  • Freight and Air Quality HandbookExit EPA Disclaimer was developed as a resource for states, metropolitan planning organizations (MPO), the Federal Highway Administration (FHWA) and other public- and private-sector organizations to use in developing solutions to freight related air quality issues and emissions challenges.
  • Our Nation's Air - Status and Trends through 2010 is EPA's "report card" on the status of air quality and air pollutant emissions.

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For questions, technical assistance, or more information: Contact Us

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