Apex CO₂ engine-family average is an Apex-derived computed source ingested into the Apex vehicle specification database. It contributes 787 active rows covering co₂ from same-family sibling average (pcaf option 3).
Licensed under CC-BY-4.0. Attribution is required; no share-alike restriction. Apex credits this source on every provenance row.
CO₂ from same-family sibling average (PCAF option 3)
Tier
Derived — Apex-computed, labelled per row
Values Apex computes from other attributed sources. Each derived value carries its own provenance row. DQ score 3–4 depending on derivation method.
Row count (active)
787
Active, non-superseded provenance rows in the current snapshot
Variants touched
787
Distinct vehicle variants carrying at least one value from this source
Source type
Apex derived
Values computed by Apex from other attributed sources; provenance-labelled per row.
PCAF DQ score
DQ 3–4 (derived, labelled per row)
Default data-quality score for provenance rows from this source tier
Source code
apex-co2-engine-family-derived
Used in the provenance table and API responses
https://apex-db.org/docs/pcaf-methodology
← 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