<p>The ongoing <span class="key-term" data-definition="Iran‑Israel war — Military conflict that began in early 2026, affecting global oil supply and transportation costs (GS3: Economy)">Iran‑Israel war</span> is already reverberating in the United States, pushing up fuel prices and prompting major logistics players to impose temporary surcharges.</p> <h3>Key Developments</h3> <ul> <li>Average <span class="key-term" data-definition="Petrol — Motor gasoline used in internal combustion engines; price movements affect inflation and consumer spending (GS3: Economy)">petrol</span> price rose to <strong>$4.09 per gallon</strong> on 3 April 2026, the highest since August 2022.</li> <li>Diesel cost jumped from $3.64 to <strong>$5.53 per gallon</strong> over the same period, a rise of more than 50%.</li> <li><strong>Amazon</strong> announced a <strong>3.5% fuel surcharge</strong> on third‑party sellers effective 17 April 2026.</li> <li>The <span class="key-term" data-definition="U.S. Postal Service (USPS) — Federal agency responsible for mail delivery; can impose temporary surcharges to offset operational costs (GS3: Economy)">U.S. Postal Service</span> seeks an <strong>8% temporary fuel surcharge</strong> for packages and express mail, pending approval, to start 26 April 2026 and run until 17 January 2027.</li> <li>Several airlines have raised checked‑baggage fees to cushion higher jet‑fuel expenses.</li> </ul> <h3>Important Facts</h3> <p>Data from the American Automobile Association (<span class="key-term" data-definition="AAA — U.S. federation of motor clubs that tracks fuel prices among other services (GS3: Economy)">AAA</span>) confirm the sharp diesel increase. The surge reflects not only the war’s direct impact on crude supply but also the blockage of the <span class="key-term" data-definition="Hormuz Strait — Strategic maritime chokepoint between Oman and Iran; its closure disrupts global oil supply (GS3: Economy)">Hormuz Strait</span>, which has already cost the global economy hundreds of millions of barrels of oil.</p> <p>Geographically, Asia felt the supply crunch first, followed by Europe, while the United States—requiring 35‑45 days for oil to travel from the Strait—will experience the lagged effects later, likely in late April or May. The most immediate shortage risk is in <strong>California</strong>, which is isolated from the national fuel pipeline.</p> <h3>UPSC Relevance</h3> <p>Understanding the link between geopolitical events and domestic economic variables is crucial for GS‑3 (Economy) and GS‑2 (Polity) questions. The war illustrates how external shocks translate into higher <span class="key-term" data-definition="Inflation — General rise in price levels, eroding purchasing power (GS3: Economy)">inflation</span>, affect the cost‑of‑living debate, and trigger policy responses such as temporary surcharges.</p> <p>Comments from <span class="key-term" data-definition="Austan Goolsbee — President of the Federal Reserve Bank of Chi