Refining NZ, trading as: The New Zealand Refining Company Ltd is the country�s only oil refinery and the leading supplier of refined petroleum products to the New Zealand market, including petrol, diesel, aviation fuel and other products. Positioned at the very heart of the fuel industry in today�s world of increasing environmental awareness, we are extremely conscious of our corporate and community responsibilities in terms of environmental sustainability. That�s why we are currently upgrading the refinery to produce cleaner fuels for future generations and why we are committed to protecting the refinery�s unique environment at the mouth of the beautiful Whangarei Harbour.