DraftDraft for review, not yet a published standard. Registry vehicle/1.0-draft of 2026-10-24, marker vehicle/1.0. How changes are made.

vehicle.wltpCo2EmissionsGPerKm

WLTP CO2 emissions (g/km) · CO2-Emissionen WLTP (g/km)

CO2 emissions in g/km determined under the WLTP (Reg. (EU) 2017/1151), as printed in CoC item 49 or registration field V.7: the combined value, or the weighted combined value for OVC-HEV. A type-approval value, not real-world emissions. NEDC values go into vehicle.nedcCo2EmissionsGPerKm.

Key
vehicle.wltpCo2EmissionsGPerKm
Row name (BT-160)
CO2-Emissionen WLTP (g/km) [vehicle.wltpCo2EmissionsGPerKm]
WLTP CO2 emissions (g/km) [vehicle.wltpCo2EmissionsGPerKm]

The bare key vehicle.wltpCo2EmissionsGPerKm is also accepted.

Tier
Optional
Status
draft
Representation term
Measure, unit g/km (no Rec 20 code)
Value format
integer ^(0|[1-9][0-9]{0,3})$
Grammar
^(0|[1-9][0-9]{0,3})$
Unit
g/km (no Rec 20 code, so never BT-212)
The unit is part of the key and never part of the value.
Code list
unit fixed: g/km (no Rec 20 code, so never BT-212); test procedure fixed: WLTP
Required when
MAY; useful for M1 and N1 fleets
Statutory feature
No
Repeatable
No, at most one row per line
Anchors
  • Directive 1999/37/EC code V.7 'CO2 (in g/km)'
  • Reg. (EU) 2020/683 Annex VIII CoC item 49 (WLTP values; DE 'CO2-Emissionen')
  • Reg. (EU) 2017/1151 Annex XXI
  • informative: schema.org emissionsCO2
Carrier and binding
BG-32: BT-160 'CO2-Emissionen WLTP (g/km) [vehicle.wltpCo2EmissionsGPerKm]', BT-161 '132'
Crosswalk (informative)

schema.org emissionsCO2 (auto extension)

informative; names and IRIs of third-party works, CC BY 4.0, sources stated; VDA 4938: reprint with source

Source and changes
registry/keys/wltpCo2EmissionsGPerKm.yaml · Propose a change