THE BIG PICTURE · TL;DR
Gas prices in S.C. fall
U.S. gas $4.28/gal; diesel $6.27/gal. See the linked sources for the story and price dates.
Gas −4¢; diesel +10¢ since yesterday.
GasPulse estimates for October 20: regular gas $4.28/gal and diesel $6.27/gal, versus $4.32 and $6.17 in October 19 estimates. The latest EIA weekly averages are $4.28 and $6.28. Estimates are not station quotes.
Source: GasPulse calculation · EIA inputs ↗Source timing
Source date: October 20, 2026
Checked: 2026-10-20T15:33:08.674812+00:00
Also reported: State gas prices fall 5 cents
thechronicle.com published this on October 19, 2026, 2:00 PM PT. 4 publishers carried similar headlines in the past 24 hours. Headlines alone do not measure a change at the pump.
Source: thechronicle.com via Google News ↗Source timing
Source date: October 19, 2026, 2:00 PM PT
Checked: 2026-10-20T15:33:08.674812+00:00
Diesel costs $1.99/gal more today.
The gap is up from $1.85 in October 19 estimates. For 15 gallons, that is about $29.86 at today’s national estimates.
Source: GasPulse calculation · EIA inputs ↗Source timing
Source date: October 20, 2026
Checked: 2026-10-20T15:33:08.674812+00:00
At the pump
15 gallons today: $64.25 gas; $94.11 diesel.
At the October 20 national estimates, that is $0.61 less for gas and $1.53 more for diesel than October 19 estimates.
See EIA prices →