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Brown University’s Watson School real-time tracker, led by researcher Jeff…

2026-05-11 · 21:17 UTC ·@DropSiteNews ·0 min read

Brief

Brown University’s real-time tracker at the Watson School, led by Jeff Colgan, calculates American consumers have incurred over $37 billion in additional gasoline and diesel costs since the Iran war began on February 28, 2026. The tracker compares present prices to a projected pre-war baseline and reports a national average gas price near $4.52/gal, up from under $3, with summer driving season not yet peaked.

Why it matters

Brown University’s Watson School real-time tracker, led by researcher Jeff Colgan, estimates American consumers have paid more than $37 billion in extra gasoline and diesel costs since the war with Iran began on February 28, 2026.

Key details

  • The tracker compares current prices to a projected pre-war baseline and finds the national average gasoline price at about $4.52 per gallon, up from under $3 when the war began; analysts note summer driving season has yet to peak.
Source evidence

⛽️ Iran War Has Cost American Consumers Over $35 Billion in Extra Fuel Costs, Brown University Tracker Shows

American consumers have paid more than $37 billion in additional gasoline and diesel costs since the war with Iran began on February 28, according to a real-time tracker developed by Brown University’s Watson School of International and Public Affairs.

The tracker, led by researcher Jeff Colgan, compares current fuel prices against a projected pre-war baseline. The national average for gas has risen to around $4.52 per gallon, up from under $3 when the war began — with summer driving season yet to peak.