The closure of the Strait of Hormuz in 2026 during the US-Israel/Iran War highlighted the fragility of New Zealand’s supply of essential fuels. New Zealand relies heavily on imported fuel to operate its transport network, agricultural sector, and the broader economy. At the time of writing, while fuel remains on hand, prices have risen sharply and continuity of supply cannot be taken for granted. This explainer explores the legal and policy frameworks for New Zealand’s preparation for and response to significant fuel supply disruptions