Press Release – Westpac New Zealand Further consolidation is likely if the road freight industry is to make a meaningful reduction in carbon emissions according to new research from Westpac NZs economic team. Westpac NZ Industry Economist Paul Clark says that the ability of most road … Further consolidation is likely if the road freight industry is to make a meaningful reduction in carbon emissions according to new research from Westpac NZ’s economic team. Westpac NZ Industry Economist Paul Clark says that the ability of most road freight operators to decarbonise is really limited to improving operational efficiencies. That can be achieved by maximising the use of existing carrying and storage capacity, and/or by improving fuel efficiencies.