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Reducing government fleet emissions

We have a goal that virtually all new vehicles entering the government's fleet should be emissions free by 2025/26. This aligns with the government’s priority to transition to a net zero emissions economy by 2050.

This page lists the average emissions profile of each mandated agency with a fleet of light vehicles. This will be initially updated quarterly, with updates becoming more frequent as 2025/26 approaches.

This tool allows agencies to see how they are tracking in comparison to other agencies and encourages them to transition to an emissions free fleet. The methodology for calculating the average emission profile is listed below.

When agencies come to purchase replacement vehicles from the All-of-Government motor vehicles contract, they must target the purchase of vehicles with carbon dioxide (CO2) emission profiles 20 percent below their agency’s current fleet average.

Buying low emission or electric vehicles is only one way to lower emissions. Agencies may also be able to use ride-sharing services or find other ways to optimise how they use their fleet.

Overall government fleet statistics
Measure Quarter 3 FY-18/19
Average emissions CO2 (g/km) 169
Total estimated CO2 emissions (g/km) 2,497,584
Percentage of electric vehicles in fleet 0.46%
Overall fleet size 15,371

Progress towards net-zero emissions

This graph represents the total estimated emissions profile of the government fleet, as of Quarter 3, 18/19. Emissions are measured in grams of CO2 per kilometre. Over time, this graph will show the change in total estimated emissions for the vehicle fleet. The green line represents the target reduction in emissions, taking into account the immediate 20 percent reduction that is required by agencies.

Agencies with highest emissions

This table shows the 15 mandated agencies that have the highest average vehicle emissions profiles across their light vehicle fleet, as of Quarter 3, 18/19. Agencies are ranked by the average CO2 ratings across their fleet, measured in grams per kilometre.

Highest average vehicle emissions by agency

AgencyFleet sizeAverage CO2 (g/km)
New Zealand Antarctic Institute 6 254
Oranga Tamariki - Ministry for Children 1 242
Waikato District Health Board 4 219
National Institute of Water and Atmospheric Research Limited 83 218
Ministry of Foreign Affairs and Trade 4 217
AgResearch Limited 54 211
Institute of Environment Science and Research Limited 7 210
Fire and Emergency New Zealand 1,017 207
Civil Aviation Authority of New Zealand 6 205
Department of Conservation 794 203
The New Zealand Institute for Plant and Food Research Limited 102 202
Institute of Geological and Nuclear Sciences Limited 29 201
New Zealand Police 3,094 199
New Zealand Forest Research Institute Limited, trading as Scion 25 197
Department of Corrections 1,191 195

Agencies with lowest emissions

This table shows the 15 mandated agencies that have the lowest average vehicle emissions across their light vehicle fleet, as of Quarter 3, 18/19. Agencies are ranked by the average CO2 ratings across their fleet, measured in grams per kilometre.

Lowest average vehicle emissions by agency

AgencyFleet sizeAverage CO2 (g/km)
Serious Fraud Office 1 39
New Zealand Trade and Enterprise 25 83
Hutt District Health Board 124 125
Capital and Coast District Health Board 105 128
Taranaki District Health Board 117 135
Drug Free Sport New Zealand 1 138
New Zealand Transport Agency 146 139
Earthquake Commission 52 140
Sport and Recreation New Zealand 6 141
Housing New Zealand Corporation 450 144
Ministry of Education 598 144
MidCentral District Health Board 173 145
Ministry of Social Development 1,231 146
Bay of Plenty District Health Board 268 146
South Canterbury District Health Board 76 147



  • The agency fleet size reported:
    • Represent only an estimate of each agency’s fleet, based on the New Zealand Transport Agency Motor Vehicle Registry.
    • includes only light vehicles (those less than 3,500kg).
    • excludes motorcycles (including mopeds) and trailers.
  • Carbon dioxide (CO2) emissions figures are obtained from Rightcar (rightcar.govt.nz) (more information on Rightcar's methodology for calculating emissions can be found at CO2 emissions ratings and Fuel economy ratings).
  • Agency fleet size and emissions data is updated quarterly.
  • Emissions are represented in grams of CO2 released per kilometre (g/km).
  • The “average CO2 (g/km)” figure:
    • reported for each agency is an average of the emissions ratings across all light vehicles in their fleet; and
    • does not take into account the distance travelled by fleet vehicles, as data on this is not yet available.
  • The “total estimated emissions” figure:
    • is calculated by multiplying the quantity of each vehicle type by their average emissions and adding them together
    • (Qty of passenger car or van * average emissions passenger car) or (Van + qty of goods van or truck or utility) * average emissions of goods van or truck or utility
  • The dashboard does not capture any other activities that agencies may be pursuing to lower their emissions (for example making use of car sharing schemes).
  • The dashboard is based on estimate data only and should not be relied upon, for more information please see our disclaimer.