Last month, Hiringa Energy opened the country's first hydrogen network, running from South Auckland to Palmerston North. Hydrogen remains more expensive than diesel as a trucking fuel, and the cost of getting a hydrogen powered truck on the road is higher. But some transport businesses are beginning to make the investment - such as HW Richardson in Invercargill, and the TR Group in Wellington. Kathryn speaks with Andrew Clennett, Hiringa Energy's chief executive, and James Smith , general manager of policy and advocacy at the National Road Carriers Association.
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