EPA annual certification is a government-published primary source from US ingested into the Apex vehicle specification database. It contributes 7,486 active rows covering light-duty annual cert metadata.
US federal government work. Under 17 U.S.C. § 105, works of the US government are not subject to copyright and are in the public domain in the United States.
Light-duty annual cert metadata
Tier
Gold tier — regulator-verified primary
Regulator-published primary data. Highest confidence; PCAF DQ score 2 by default.
Row count (active)
7,486
Active, non-superseded provenance rows in the current snapshot
Variants touched
993
Distinct vehicle variants carrying at least one value from this source
Source type
Government / regulator
Official dataset published by a national regulator, ministry, or government agency.
PCAF DQ score
DQ 2 (regulator primary)
Default data-quality score for provenance rows from this source tier
Source code
epa-annual-cert
Used in the provenance table and API responses
https://www.epa.gov/compliance-and-fuel-economy-data/annual-certification-data-vehicles-engines-and-equipment
← all sources
Back to sources hub
Browse all 57 sources by tier
reference
Sources & licensing reference
Full table of commercial-use and licence-review sources
provenance
Provenance model
How source codes, URLs, confidence, and effective flags are attached to values
coverage
Coverage matrix
Per-field coverage across segments with PCAF DQ scores