Democrats warn that renewed tariffs could push up the average household bill by about $2,500 in 2026, a rise from roughly $1,745 in 2025, as Americans face a persistently high cost of living and higher energy prices linked to the Iran crisis.

The renewed tariff push is tied to higher petrol and commodity costs driven by the Iran conflict, with potential political impact ahead of midterm elections.

Democrats argue that even with Supreme Court limits on tariff authority, new levies would keep prices elevated for consumers already feeling the burden amid rising energy costs from the Iran situation.

A more durable tariff option cited is Section 301 of the 1974 Trade Act, a route Trump previously used against China, which has withstood prior legal scrutiny.

Analysts say the Section 301 investigations are broader and more expansive than expected, potentially affecting a wide range of sectors and trading partners.

Trade commentators note the 301 investigations could have wide implications for many countries and industries, expanding beyond initial expectations.

Treasury and administration officials frame tariffs as tools to renegotiate trade deals, lower drug prices, and spur investment.

The White House and administration contend tariffs are necessary to address unfair trade practices and national economic threats, while Republicans highlight them as a key policy tool.

The Trump-era tariff slate includes a potential 10% tariff under Section 122 of the 1974 Trade Act, possibly rising to 15%, with a limited 150-day duration unless Congress extends, and subject to court challenges.

Tariff measures are described as lasting up to 150 days unless extended by Congress, with ongoing legal challenges over authority to enforce them.

Treasury Secretary says new tariffs are expected to keep tariff revenue roughly unchanged in 2026, despite court rulings and refunds due from prior tariffs.

The Supreme Court ruled in February that the president lacked authority under IEEPA to levy tariffs, prompting refunds of about $175 billion to importers who paid those illegal tariffs.