Greenfield-area gas & diesel update: AAA Indianapolis metro averages move (July 21, 2026)

Greenfield drivers: The latest AAA Indianapolis metro average check (used here as a Hancock County proxy) shows regular gas easing to $3.323/gal as of July 21, 2026, down from $3.338 on July 20. Diesel is slightly higher at $5.046/gal, up from $5.042 yesterday.

Regular gas: down vs. yesterday, still above last week

Compared with the last AAA price check window, regular gas is higher than a week ago: $3.202/gal (week-ago average). It’s also about flat versus last month, at $3.324/gal for the month-ago average.

Diesel: up vs. yesterday, below last month

Diesel is higher than yesterday, at $5.046/gal versus $5.042. On the longer view, it’s higher than last week ($4.929/gal) but lower than last month ($5.376/gal).

Greenfield-area pump snapshot (7-Eleven, 815 W Main St)

Station prices can land noticeably above or below metro averages. At 7-Eleven on 815 W Main St in Greenfield, regular is listed at $3.599 and diesel at $4.959, with the station page noting prices are “updated within 24hrs.”

National context (brief)

On the U.S. level, EIA’s latest gasoline and diesel fuel update shows both regular gasoline and on-highway diesel running higher than a week earlier in its current table.

Price tip: If you’re planning a fill-up for commuting, errands, or deliveries, compare your usual pump to the AAA metro proxy—and then check a nearby station, since a single listing like the 7-Eleven snapshot can differ from the average.

Share what you’re seeing: What are the highest and lowest gas and diesel prices you’re seeing in Greenfield today?

Sources

• AAA Gas Prices — Indiana (Indianapolis metro row)
• 7-Eleven — Greenfield (815 W Main St) station listing
• EIA — Gasoline and Diesel Fuel Update (U.S. weekly context)