NEED TO KNOW

• April CPI hit 3.8% annually, the highest since January 2024.
• Energy prices drove over 40% of the monthly increase.
• Supreme Court killed "Liberation Day" tariffs in February; war now drives prices.

WASHINGTON, DC (TDR) — The Consumer Price Index rose 3.8% in April from a year earlier, the Bureau of Labor Statistics reported Tuesday, as energy costs tied to the ongoing Iran war replaced tariffs as the primary driver of higher prices for American consumers.

The big picture: Inflation has accelerated for the third straight month since U.S. and Israeli strikes on Iran in late February disrupted roughly 20% of global oil transit through the Strait of Hormuz. The political framing has shifted entirely.

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• Headline CPI rose 0.6% month-over-month seasonally adjusted, with energy up 3.8% accounting for over 40% of the increase.
• The Fed's preferred PCE index hit 3.5% in March, its highest in nearly three years.

Why it matters: Real wages are eroding as gas prices climb past $4.50 a gallon and food costs absorb transportation and fertilizer surcharges. The administration lost its main inflation scapegoat in February.

• The Supreme Court struck down Trump's IEEPA tariffs in a 6-3 ruling on Feb. 20.
• Food prices rose 0.5% in April, with groceries up 0.7%, the first meaningful pass-through from diesel and fertilizer costs.

Driving the news: The energy shock has outlasted economist forecasts, and the Fed is signaling no rate cuts this year.

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• AAA reported the national gasoline average at $4.52, the highest since mid-2022.
• Bank of America pushed its rate-cut forecast to the second half of 2027, abandoning earlier 2026 calls.

What they're saying:

• Jay Hatfield, CEO of Infrastructure Capital Advisors — "It's just simply unmitigated disaster to have rising energy and related energy commodities," he told Marketplace, comparing the shock to the 1970s OPEC embargo.
• Austan Goolsbee, Chicago Fed President — "I don't see how you can look at the current situation and view that the only thing that's on the table conceivably are rate cuts," he said May 8, leaving rate hikes on the table.
• Joanne Hsu, University of Michigan Surveys of Consumers — "For the next 12 months, consumers are absolutely expecting those gas price increases to pass through to consumer-facing prices overall."

Yes, but: Core CPI, stripping out food and energy, remains relatively contained, complicating the administration's narrative that the war is the sole inflation problem.

• Core inflation came in around 2.7% year-over-year, barely above the pre-war trend, suggesting some pressure predates February.
• Trump's Section 122 replacement tariff, imposed Feb. 24 and struck down again last week, kept import-price pressure embedded.

Between the lines: The April report exposes a substitution both parties would rather not name. Republicans spent 2025 arguing tariffs weren't significantly inflationary; the Supreme Court removed that experiment, and a war the administration is prosecuting now delivers worse price pressure than the tariffs did. Democrats who criticized tariff inflation can't easily celebrate, because many accepted the Iran intervention, and the energy shock is hitting working families harder than Liberation Day duties ever did. The framing collapses when energy replaces tariffs and the administration keeps both the war and the legal fight to revive tariffs going at once.

What's next:

• The May CPI release on June 10 will show whether energy effects are spilling into core services, the threshold Fed officials are watching.
• Trump's Section 122 tariff faces appeal after last week's Court of International Trade ruling struck it down.
• The administration has signaled it will pursue Section 301 and Section 232 authorities regardless.

If tariffs were the wrong answer to trade imbalances, is energy-driven inflation from a war of choice the right price for foreign policy?

Sources

This report was compiled using reporting from the Bureau of Labor Statistics, CNN, the Tax Foundation, Marketplace, TheStreet, AAA, Kiplinger, Lexology, TradingKey, and The Hill.

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