How gas prices have changed in Chicago in the last week

On Wednesday, the Saudi-led OPEC+ agreed to increase oil output by 100,000 barrels per day beginning in September—far less than President Biden was aiming for following his trip to Saudi Arabia in July and, according to experts, not enough to impact crude prices, but just enough to be considered a political snub.

Gas prices in the U.S. fell for the seventh consecutive week, and according to Biden more than half of gas stations across the country are selling gas for less than $4 per gallon. The national average gas price Thursday was $4.13 a gallon, according to AAA, down 14 cents from one week ago and 67 cents in the last 30 days.

Stacker compiled statistics on gas prices in Chicago, IL metro area using data from AAA. The cheapest gas stations are from GasBuddy. Gas prices are current as of August 4, 2022. State gas tax data is from World Population Review. Connecticut and New York have temporarily suspended gas taxes to help consumers while the cost of gas has increased.

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Chicago by the numbers
- Gas current price: $4.84
--- Illinois average: $4.53
--- Illinois gas tax: $0.39 per gallon (#6 highest among all states)
- Week change: -$0.23 (-4.5%)
- Year change: +$1.29 (+36.4%)
- Historical expensive gas price: $5.92 (6/10/22)

- Diesel current price: $5.49
- Week change: -$0.12 (-2.2%)
- Year change: +$2.05 (+59.4%)
- Historical expensive diesel price: $5.87 (6/25/22)

Cheapest gas stations
#1. Costco: $3.64 (7707 94th Ave, Pleasant Prairie)
#2. American Gas: $3.64 (2828 75th St , Kenosha)
#3. Gulf: $3.69 (5922 Sheridan Rd, Kenosha)

Metros with the most expensive gas
#1. San Luis Obispo-Atascadero-Paso Robles, CA: $5.89
#2. Napa, CA: $5.75
#3. Bakersfield, CA: $5.75

Metros with the least expensive gas
#1. Henderson, KY: $3.32
#2. Brownsville-Harlingen, TX: $3.33
#3. McAllen-Edinburg-Mission, TX: $3.34

States with the highest gas tax per gallon
#1. Pennsylvania: $0.59
#2. California: $0.53
#3. Washington: $0.52

States with the lowest gas tax per gallon
#1. Alaska: $0.0895
#2. Hawaii: $0.16
#3. Virginia: $0.162