Every time there's a flare-up in the Persian Gulf, the conversation immediately goes to gasoline prices. How much will it cost to fill the tank? Will heating bills spike this winter? Those are real concerns — but they're the wrong place to focus. The deeper, slower, more dangerous shock from any serious disruption to the Strait of Hormuz isn't at the pump. It's at the grocery store. And by the time most people connect those dots, the damage is already done.
The Strait Everyone Should Be Watching
About 20% of global oil trade passes through the Strait of Hormuz — a narrow chokepoint between Iran and Oman that is, geopolitically speaking, one of the most fragile pieces of infrastructure on the planet. Any sustained disruption there doesn't just raise the price of driving to work. It fractures the entire supply chain that puts food on your table. VanEck has called it the "Hormuz Domino Effect" for a reason: energy shock leads to fertilizer shortage, which leads to reduced crop yields, which leads to food price spikes, which leads to political instability. That's not a theory. That's a sequence we've already watched play out.
Why Agriculture Runs on Oil
Here's what most people don't fully appreciate: modern industrial agriculture is, at its core, an energy conversion system. You take fossil fuels and turn them into calories. Every single link in that chain depends on petroleum and natural gas:
- Synthetic fertilizers — the backbone of global crop yields — are manufactured from natural gas. No gas, no nitrogen fertilizer. No nitrogen fertilizer, dramatically lower harvests.
- Pesticides and herbicides are petroleum derivatives. They don't exist without oil.
- Tractors, irrigation pumps, combines — all diesel-powered.
- Refrigerated transport, processing plants, and cold storage — all energy-intensive, all part of the same chain.
When energy gets expensive or scarce, it doesn't just raise input costs — it breaks the system's logic entirely. We saw exactly this in 2022, when Russia's invasion of Ukraine disrupted European natural gas markets. The consequence wasn't just higher heating bills. European fertilizer plants shut down because the natural gas needed to produce fertilizer became too expensive to justify running the facilities. Global food prices spiked. The World Food Programme watched its purchasing power collapse. Zelensky was warning the World Economic Forum about a coming global food crisis — not because of bombs, but because of broken supply chains upstream.
This isn't a hypothetical future risk. It already happened once. The question is whether we learned from it.
The Vulnerabilities Are Stacking Right Now
What makes this moment particularly worth paying attention to is that the pressures aren't isolated. They're converging.
Cuba is rationing food because it cannot secure adequate fuel supplies. The island's energy crisis has become so acute that protesters have ransacked government offices, and aid flotillas carrying food and solar panels are making headlines for reaching Havana's harbour. This is what energy dependency as a food crisis looks like in real time, compressed into one small nation.
Indonesia — a country of 270 million people — is bracing for potential agricultural collapse if oil prices spike past the threshold that its subsidized farming system can absorb. Indonesia at Melbourne's analysis lays out how precarious that balance is: the subsidies that make food affordable for ordinary Indonesians are directly tied to the government's ability to manage fuel costs. Remove that cushion, and the agriculture sector buckles.
Across Asia more broadly, Bloomberg reports that governments are already running worst-case energy scenario planning as the Iran conflict drags on. These aren't alarmist exercises — they're contingency responses to a situation that multiple governments recognize as genuinely fragile.
And the Atlantic Council has made the geopolitical dimension explicit: Hormuz disruptions benefit Beijing and Moscow while hitting food-importing nations hardest. Countries that depend on global oil flows to grow and move their food — which is most of the world — absorb the full impact. Countries with domestic energy resources or that sit outside the disrupted lanes gain relative advantage. This is energy dependency as a geopolitical lever, and it's being pulled deliberately.
Food Dependency Is Sovereignty Loss
AgFunderNews framed it bluntly in a recent analysis: energy crises are the new normal, and food is next. That's worth sitting with. Because what it means, practically, is that the stability of your food supply is not actually determined by farmers, grocery stores, or even domestic agricultural policy. It's determined by oil flows through a strait most people couldn't find on a map — and by the geopolitical actors who control or threaten those flows.
When a government can't guarantee that its people eat, it will accept almost any terms to fix that. Food insecurity is the most coercive form of leverage there is, precisely because it operates on a timeline of days, not months. A grocery store carries roughly three days of inventory. The just-in-time supply chain that stocks it requires uninterrupted global energy flows to function. There is essentially no buffer in the system.
The Practical Conclusion
The people who will navigate the next disruption best aren't the ones who correctly predicted which conflict would trigger it. They're the ones who quietly reduced their dependency before the dominoes started falling. A kitchen garden. A chest freezer stocked with staples. A relationship with a local farmer or food co-op. A month's worth of dry goods that doesn't require a refrigerated truck to exist. None of this is prepper fantasy — it's the same logic that drives any serious risk management.
Energy sovereignty and food sovereignty are the same project. The Hormuz situation — and Cuba, and Indonesia, and the fertilizer shutdowns of 2022 — just made that connection visible to anyone paying attention. The question now isn't whether the system is fragile. It demonstrably is. The question is what you're doing about your own exposure to it.