Asian refineries, facing a potential cutoff of crude from the Strait of Hormuz, are reducing processing rates to prolong operations. This immediate reduction in the supply of refined products like jet fuel causes their prices to spike before the full impact of the crude oil shortage is felt globally.

In a severe supply shock, demand destruction isn't about wealthy consumers driving less. Instead, lower-income countries are priced out of the market entirely, unable to attract scarce barrels. This transforms a price problem for developed nations into an outright physical shortage for developing ones.

Over 90% of the world's sulfur is a byproduct of oil refining. This sulfur is crucial for producing sulfuric acid, a key chemical in semiconductor manufacturing. Therefore, disruptions to oil shipping or refining create a hidden material supply chain risk for the tech industry, beyond just energy costs for power.

Energy disruptions in the Strait of Hormuz create a cascade effect far beyond fuel prices. The resulting shortages impact petrochemical and fertilizer production, threatening key inputs for everything from manufacturing and electronics to agriculture and basic services like cooking gas for restaurants.

In a major supply crisis, temporary measures like storing oil on ships create a false sense of stability. This buffer is finite. Once it's full, the issue rapidly escalates from a logistical challenge to a direct production shutdown, revealing the system's true fragility and causing a much more severe market shock.

The impact of an oil supply disruption on price is a convex function of its duration. A short-term closure results in delayed deliveries with minimal price effect, while a prolonged one exhausts storage and requires triple-digit prices to force demand destruction and rebalance the market.

Focusing on crude's rise to $100/barrel misses the real story. Prices for refined products consumed by industries and travelers, such as diesel and jet fuel, have nearly tripled. This massive divergence reveals that the true economic pain is concentrated downstream from the oil well.

The halt in oil refining cripples the supply of essential byproducts. This includes sulfur (needed for mining and batteries), liquefied natural gas (powering TSMC's chip fabs), and nitrogen fertilizer feedstock. This creates cascading civilizational-level risks far beyond the gas pump.

The most acute economic strain from the energy crisis is visible in refined products, not just crude oil. Soaring diesel and jet fuel prices are the immediate choke points, directly slowing freight, disrupting travel, and forcing airlines to cut routes, demonstrating a tangible impact on the real economy.