The Clean Car Discount consists of rebates and fees based on CO2 emissions for new and used eligible vehicles the first time they are registered in New Zealand. The higher the CO2 emissions, the greater the fee in recognition of the increased environmental and economic costs they are imposing. Buyers choosing zero or low-emission vehicles may be eligible for a rebate. The lower the emissions the greater the rebate. Vehicles with moderate emissions will not incur a fee or be eligible for a rebate.