Drivers of electric cars will be able to use priority lanes to get onto motorways in Auckland under a bylaw being drawn up by the New Zealand Transport Agency.
Legislation is also being introduced to allow electric cars access to other roads, such as bus lanes.
Hybrids will qualify under the trial, which the agency wants to introduce for a fortnight in March, on six T2 and truck lanes that bypass on-ramp traffic lights.
Owners of electric vehicles on the vehicle register in the city will receive a sticker to identify their cars during the trial.
Submissions on the draft bylaw close on 13 January.