THE BIG PICTURE · TL;DR
Trump: Iran War Will End ‘Very Quickly’, Promises Lower Gas Prices
U.S. gas $4.31/gal; diesel $6.17/gal. See the linked sources for the story and price dates.
Gas flat; diesel flat since yesterday.
GasPulse estimates for October 18: regular gas $4.32/gal and diesel $6.17/gal, versus $4.32 and $6.17 in October 17 estimates. The latest EIA weekly averages are $4.33 and $6.18. Estimates are not station quotes.
Source: GasPulse calculation · EIA inputs ↗Source timing
Source date: October 18, 2026
Checked: 2026-10-18T17:39:55.601686+00:00
Also reported: 'It's Going To End Very Quickly': Donald Trump says US war with Iran to end soon, gas prices will drop
DNA India published this on October 17, 2026, 8:22 PM PT. 5 publishers carried similar headlines in the past 24 hours. Headlines alone do not measure a change at the pump.
Source: DNA India via Google News ↗Source timing
Source date: October 17, 2026, 8:22 PM PT
Checked: 2026-10-18T17:39:55.601686+00:00
Diesel costs $1.86/gal more today.
The gap is about the same as $1.85 in October 17 estimates. For 15 gallons, that is about $27.87 at today’s national estimates.
Source: GasPulse calculation · EIA inputs ↗Source timing
Source date: October 18, 2026
Checked: 2026-10-18T17:39:55.601686+00:00
At the pump
15 gallons today: $64.73 gas; $92.60 diesel.
At the October 18 national estimates, that is $0.07 less for gas and $0.02 less for diesel than October 17 estimates.
See EIA prices →