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    • Mobile Source Emissions Regulatory Compliance Data

    Metadata Updated: February 10, 2026

    The Engine and Vehicle Compliance Certification and Fuel Economy Inventory contains measured emissions and fuel economy compliance information for all types of vehicles (mobile sources of air pollution) excluding snowmobile, marine (diesel), and heavy duty engines whichsummary data is updated on an annual basis. Data is collected by EPA to certify compliance with the applicable fuel economy provisions of the Clean Air Act, Energy Policy and Conservation Act (EPCA) and the Energy Independent Security Act (EISA) of 2007.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    No file downloads have been provided. The publisher may provide downloads in the future or they may be available from their other links.

    References

    https://edg.epa.gov/metadata/rest/document?id=%7B87B45AEE-4314-4626-927F-A3C1993510AB%7D
    https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B87B45AEE-4314-4626-927F-A3C1993510AB%7D

    Dates

    Metadata Created Date January 30, 2026
    Metadata Updated Date February 10, 2026
    Data Update Frequency irregular

    Metadata Source

    Harvested from EPA Non Geo Repository

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 30, 2026
    Metadata Updated Date February 10, 2026
    Publisher U.S. EPA Office of Air and Radiation (OAR) - Office of Transportation and Air Quality (OTAQ)
    Maintainer
    Identifier 87B45AEE-4314-4626-927F-A3C1993510AB
    Data First Published 2014-01-01
    Data Last Modified 2014-01-01
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 020:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://edg.epa.gov/data/nongeo_data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id a7368a90-9214-4e92-a7da-b36d471bb591
    Harvest Source Id 9c1c2b5b-7925-4ca2-a663-ca2131653db1
    Harvest Source Title EPA Non Geo Repository
    License https://edg.epa.gov/EPA_Data_License.html
    Old Spatial -180.0,18.0,-66.0,72.0
    Program Code 020:072
    Related Documents https://edg.epa.gov/metadata/rest/document?id=%7B87B45AEE-4314-4626-927F-A3C1993510AB%7D, https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B87B45AEE-4314-4626-927F-A3C1993510AB%7D
    Source Datajson Identifier True
    Source Hash 61eafea3ff5c279111567011e36a5602208441b965f9a7f6cc4b50fac379852e
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -180.0, 18.0, -180.0, 72.0, -66.0, 72.0, -66.0, 18.0, -180.0, 18.0}

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