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Reducing government fleet emissions

We have a goal that, where practicable, 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.

Mandated and eligible agencies

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.

“Where practicable” means any vehicle that can be replaced with a low emissions alternative whilst meeting operational requirements. Note that some agencies have operational requirements that dictate that they cannot replace some vehicles with a low emission alternative. Note also that some vehicle sub-classes do not have a low emission alternative available.

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 2 FY-20/21 Quarter 1 FY-20/21
Average emissions CO2 (g/km) 158.25 160.62
Total estimated CO2 emissions (g/km) 2,526,985 2,644,509
Percentage of electric vehicles in fleet 1.02% 0.93%
Overall fleet size 15,162 15,764

Progress towards net-zero emissions

This graph represents the total estimated emissions profile of the government fleet, as of Quarter 2, 20/21. 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 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 16 mandated agencies that have the highest average vehicle emissions profiles across their light vehicle fleet, as of Quarter 2, 20/21. Agencies are ranked by the average CO2 ratings across their fleet, measured in grams per kilometre.

Highest average vehicle emissions by agency

Agency Fleet size Average CO2 (g/km)
Ministry of Foreign Affairs and Trade 1 282
National Institute of Water and Atmospheric Research Limited 79 216
Te Kāhui Whakamana Rua Tekau mā Iwa — Pike River Recovery Agency 11 214
Institute of Environmental Science and Research Limited 7 210
Fire and Emergency New Zealand 708 207
Te Puni Kōkiri (Ministry of Māori Development) 1 206
AgResearch Limited 54 204
Institute of Geological and Nuclear Sciences Limited 28 200
New Zealand Police 3,345 193
Government Communications Security Bureau 10 191
New Zealand Antarctic Institute 5 190
The New Zealand Institute for Plant and Food Research Limited 108 189
Maritime New Zealand 49 186
Ministry for Primary Industries 516 186
Department of Corrections 1,188 185
Department of Conservation 811 185

Agencies with lowest emissions

This table shows the 16 mandated agencies that have the lowest average vehicle emissions across their light vehicle fleet, as of Quarter 2, 20/21. Agencies are ranked by the average CO2 ratings across their fleet, measured in grams per kilometre.

Lowest average vehicle emissions by agency

Agency Fleet size Average CO2 (g/km)
Serious Fraud Office 1 39
New Zealand Trade and Enterprise 25 72
Education Review Office 65 87
Television New Zealand Limited 53 108
South Canterbury District Health Board 77 115
Ministry of Justice 211 121
Accident Compensation Corporation 122 121
Capital and Coast District Health Board 267 122
Kainga Ora 588 123
Taranaki District Health Board 106 127
Ministry of Education 574 130
Ministry of Social Development 514 133
Bay of Plenty District Health Board 285 136
Statistics New Zealand 20 136
Waikato District Health Board 522 136
MidCentral District Health Board 175 137

Emissions data




  • 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 and fuel economy 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/van * average emissions passenger car/van) + (Qty of goods van/truck/utility * average emissions goods van/truck/utility)) / total fleet size
  • 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.