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[apexdb]

epa_emission_standard · Emissions & fuel economy

EPA exhaust emission standard code under which this vehicle was certified (e.g. "T3B30", "T3B70", "L3ULEV70", "B5"). Derived from the NOx emission row in the EPA Annual Certification Tests file — the

type
text
applies to
all variants
filled
2%
sources
1

Meaning

EPA exhaust emission standard code under which this vehicle was certified (e.g. "T3B30", "T3B70", "L3ULEV70", "B5"). Derived from the NOx emission row in the EPA Annual Certification Tests file — the

Export shape

apex fieldjson
{
  "epa_emission_standard": "example",
  "_provenance": {
    "epa_emission_standard": {
      "source": "manual",
      "source_record_url": "https://apex-db.org/docs/sources#manual",
      "effective": true
    }
  }
}

Provenance

Apex stores source-qualified provenance for exported values. Buyer snapshots and API responses include the upstream source record where redistribution rights allow it, so a downstream model can cite the original regulator or manufacturer feed.

Field-level fill rates are measured across the current variant snapshot. Sparse fields are still documented because they can be important for regulatory, EV, safety, or emissions workflows.