August 5, 2023
A six-week trial by a Wellington bus company of a device to reduce emissions on its diesel engines has shown a 10 per cent drop in fuel consumption.
September 8, 2021
6 week trial shows reduced emissions and fuel savings of 10%.
May 10, 2021
Transdev, which runs some Wellington bus routes 52, 56, 57, 58, 60, and 60e, is trialling HYDI to remove 80 per cent of emissions.