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Incident 1559: Kalibrate Fuel Pricing Allegedly Enabled California Gas Station Operators to Coordinate Higher Pump Prices

Description: Major gas station operators in California allegedly used Kalibrate Fuel Pricing to automate pump prices using competitor data and reduce price competition. A June 2026 complaint said the AI-based system increased gasoline prices by as much as 30 cents per gallon where adoption was widespread.
Editor Notes: Timeline notes: The date assigned to this incident ID is 06/22/2022; it reflects the beginning of the proposed class period identified in paragraph 158 on page 39 of the complaint. The lawsuit was filed on 06/22/2026: https://assets.bwbx.io/documents/users/iqjWHBFdfxIU/rGMayJW1wH8g/v0. This incident ID was created on 06/26/2026.

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Alleged: Kalibrate , Algorithmic pricing system developers and Software developers developed an AI system deployed by Marathon Petroleum , 7-Eleven , Speedway , EG America , BP Products North America , TravelCenters of America , Walmart , Sam's Club , Circle K , Albertsons Companies , Gas station operators and Fuel retailers, which harmed California gasoline purchasers , California drivers , Drivers , Road users , Consumers , Retail gasoline market competition in California , General public and General public of California.
Alleged implicated AI systems: Kalibrate Fuel Pricing , Algorithmic pricing systems and AI pricing optimization systems

Incident Stats

Incident ID
1559
Report Count
21
Incident Date
2022-06-22
Editors
Daniel Atherton

Incident Reports

Reports Timeline

Incident Occurrence+20
BP, Marathon, 7-Eleven, Walmart sued for allegedly using AI to boost California gas prices
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BP, Marathon, 7-Eleven, Walmart sued for allegedly using AI to boost California gas prices

BP, Marathon, 7-Eleven, Walmart sued for allegedly using AI to boost California gas prices

reuters.com

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Slew Of California Gas Stations Illegally Used AI To Raise Prices, Lawsuit Claims

Slew Of California Gas Stations Illegally Used AI To Raise Prices, Lawsuit Claims

forbes.com

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California Consumers Sue Gas Stations Over AI Price Fixing

California Consumers Sue Gas Stations Over AI Price Fixing

pymnts.com

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Marathon, BP Accused Of Using Algorithm To Fix Gas Prices

Marathon, BP Accused Of Using Algorithm To Fix Gas Prices

law360.com

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California Drivers Sue Fuel Giants Over Alleged AI-Driven Gas Price Hikes

California Drivers Sue Fuel Giants Over Alleged AI-Driven Gas Price Hikes

pymnts.com

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California drivers are suing BP, Walmart and Marathon for using an AI tool to fix gas prices

California drivers are suing BP, Walmart and Marathon for using an AI tool to fix gas prices

startupfortune.com

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Lawsuit claims 7-Eleven, BP and Walmart using AI to manipulate California gas prices

Lawsuit claims 7-Eleven, BP and Walmart using AI to manipulate California gas prices

nbcbayarea.com

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New culprit in California’s sky-high gas prices? Lawsuit blames AI price-fixing

New culprit in California’s sky-high gas prices? Lawsuit blames AI price-fixing

sfchronicle.com

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Californians sue over AI-based price fixing at gas pump

Californians sue over AI-based price fixing at gas pump

courthousenews.com

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California drivers sue BP, Marathon, and Walmart over AI gas price-fixing

California drivers sue BP, Marathon, and Walmart over AI gas price-fixing

qz.com

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California drivers accuse gas station operators of using AI to boost pump prices — lawsuit seeks damages for antitrust violations

California drivers accuse gas station operators of using AI to boost pump prices — lawsuit seeks damages for antitrust violations

tomshardware.com

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California Drivers File Suit Over AI Use to Set Gas Prices

California Drivers File Suit Over AI Use to Set Gas Prices

csnews.com

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California lawsuit alleges AI gas price fixing

California lawsuit alleges AI gas price fixing

signalscv.com

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AI Used To Rig Prices At 1,700 California Gas Stations, Lawsuit Says

AI Used To Rig Prices At 1,700 California Gas Stations, Lawsuit Says

carscoops.com

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Gas stations are using AI to inflate prices, new lawsuit alleges

Gas stations are using AI to inflate prices, new lawsuit alleges

popular.info

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AI is helping gas stations collude to raise California fuel prices, lawsuit says

AI is helping gas stations collude to raise California fuel prices, lawsuit says

apnews.com

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Class-Action Lawsuit Blames AI for Causing Gas Price Inflation in California

Class-Action Lawsuit Blames AI for Causing Gas Price Inflation in California

caranddriver.com

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7-Eleven, Circle K named in lawsuit over using AI to boost gas prices

7-Eleven, Circle K named in lawsuit over using AI to boost gas prices

cstoredive.com

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Suit: Calif. gas stations used AI software to collude, raise gas prices

Suit: Calif. gas stations used AI software to collude, raise gas prices

sjvsun.com

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ANTITRUST NEWS: AI software allowed California gas stations to raise prices, suit alleges, (Jun 25, 2026)

ANTITRUST NEWS: AI software allowed California gas stations to raise prices, suit alleges, (Jun 25, 2026)

vitallaw.com

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Class action lawsuit alleges gas stations used software to fix California fuel prices

Class action lawsuit alleges gas stations used software to fix California fuel prices

claimdepot.com

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BP, Marathon, 7-Eleven, Walmart sued for allegedly using AI to boost California gas prices
reuters.com · 2026

June 22 (Reuters) - Gas station operators ‌including BP (BP.L), opens new tab, Circle K (ATD.TO), opens new tab, Marathon Petroleum (MPC.N), opens new tab, 7-Eleven (3382.T), opens new tab, Walmart (WMT.O), opens new tab and Albertsons (ACI…

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Slew Of California Gas Stations Illegally Used AI To Raise Prices, Lawsuit Claims
forbes.com · 2026

Topline

A new lawsuit accuses a slew of gas station owners in California, including Walmart, Speedway and Albertsons, of using an AI tool developed by a company called Kalibrate to artificially inflate prices at the pump---causing prices to…

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California Consumers Sue Gas Stations Over AI Price Fixing
pymnts.com · 2026

AIID editor's note: Please visit the original source for the full article.

A group of California consumers filed a proposed class-action lawsuit alleging that gas station operators including Walmart, Marathon Petroleum, BP and 7-Eleven used…

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Marathon, BP Accused Of Using Algorithm To Fix Gas Prices
law360.com · 2026

AIID editor's note: Please visit the original source for the full article.

By Bryan Koenig (June 22, 2026, 7:22 PM EDT) -- Consumers sought Monday to widen the campaign against alleged algorithmic price fixing, in a proposed class action ac…

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California Drivers Sue Fuel Giants Over Alleged AI-Driven Gas Price Hikes
pymnts.com · 2026

AIID editor's note: Please visit the original source for the full article.

A group of California motorists has filed a proposed class-action lawsuit alleging that several major fuel retailers and an energy pricing software provider used art…

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California drivers are suing BP, Walmart and Marathon for using an AI tool to fix gas prices
startupfortune.com · 2026

A class-action filed in Sacramento federal court names BP, Marathon, 7-Eleven, Walmart and Albertsons, alleging their shared use of Kalibrate Fuel Systems' pricing algorithm inflated California gas prices by as much as 22 cents a gallon.

Ca…

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Lawsuit claims 7-Eleven, BP and Walmart using AI to manipulate California gas prices
nbcbayarea.com · 2026

Artificial intelligence is costing motorists in California more money at the gas pump, according to a new lawsuit.

The lawsuit claims companies in the state are using data collected by AI to manipulate gas prices. Companies mentioned in the…

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New culprit in California’s sky-high gas prices? Lawsuit blames AI price-fixing
sfchronicle.com · 2026

Gasoline prices have soared nationwide since the U.S. launched a war on Iran, but they remain far higher in California than other states, a dollar or more per gallon. And one reason they're not falling, according to a newly filed lawsuit, i…

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Californians sue over AI-based price fixing at gas pump
courthousenews.com · 2026

SACRAMENTO, Calif. (CN) --- Three Californians filed a class action over what they call an artificial intelligence-based pricing system that has wrung more money out of drivers in a time of explosive gas prices.

The plaintiffs sued Knowledg…

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California drivers sue BP, Marathon, and Walmart over AI gas price-fixing
qz.com · 2026

California drivers have filed a proposed class action against BP, Marathon, Walmart, and other major gas station operators, alleging they used an artificial intelligence pricing tool to fix pump prices across the state, according to Reuters…

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California drivers accuse gas station operators of using AI to boost pump prices — lawsuit seeks damages for antitrust violations
tomshardware.com · 2026

Californians pay the highest gas prices in the U.S., and a proposed class action says that the issue has been exacerbated by an AI tool that smartly squeezes customers for the best profits. A newly filed lawsuit at the Sacramento, ​Californ…

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California Drivers File Suit Over AI Use to Set Gas Prices
csnews.com · 2026

SACRAMENTO, Calif. --- Gas station operators including bp, Circle K, Marathon Petroleum, 7-Eleven, Walmart and Albertsons face a proposed class action lawsuit from California drivers accusing them of using AI to boost fuel prices.

According…

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California lawsuit alleges AI gas price fixing
signalscv.com · 2026

Three California residents are suing a fuel pricing company and several gas station operators, alleging that they use artificial intelligence-based pricing systems to raise gasoline prices in an uncompetitive manner. 

"Californians are bein…

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AI Used To Rig Prices At 1,700 California Gas Stations, Lawsuit Says
carscoops.com · 2026

California is famous for plenty of things, but few grate quite like its fuel prices, which already rank among the steepest in the nation. As of today, regular runs $5.56, mid-grade $5.788, and premium $5.95. Now a group of residents claims …

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Gas stations are using AI to inflate prices, new lawsuit alleges
popular.info · 2026

A new federal lawsuit alleges that gas station companies across California are engaged in an illegal conspiracy, powered by AI software, to raise prices.

The class action lawsuit claims the corporate owners of over 1,700 California gas stat…

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AI is helping gas stations collude to raise California fuel prices, lawsuit says
apnews.com · 2026

AI-powered software has allowed gas station operators across California to illegally collude and drive up prices at the pump, according to a federal lawsuit.

The proposed class action lawsuit, filed Monday, accuses gas station giants includ…

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Class-Action Lawsuit Blames AI for Causing Gas Price Inflation in California
caranddriver.com · 2026

Gas station operators in California are being accused of colluding to keep fuel prices artificially high. The alleged culprit? A piece of software that uses AI to collect and compare non-public pricing and sales figures from participating s…

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7-Eleven, Circle K named in lawsuit over using AI to boost gas prices
cstoredive.com · 2026

Dive Brief:

  • Several California residents have sued 7-Eleven, Circle K, BP and other retailers for allegedly using an AI-powered fuel pricing algorithm to increase gas prices in the state, according to a lawsuit filed in the U.S. District C…
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Suit: Calif. gas stations used AI software to collude, raise gas prices
sjvsun.com · 2026

Gas station operators across California used an AI-powered software system to illegally coordinate pricing and drive up fuel costs, according to a federal lawsuit filed Monday.

Driving the news: The proposed class-action suit accuses major …

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ANTITRUST NEWS: AI software allowed California gas stations to raise prices, suit alleges, (Jun 25, 2026)
vitallaw.com · 2026

The proposed class argues that California's fuel prices are high due to an illegal algorithmic price-fixing scheme orchestrated by an algorithmic pricing company and the largest fuel retailers.

AI software used by gas stations across Califo…

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Class action lawsuit alleges gas stations used software to fix California fuel prices
claimdepot.com · 2026

Three California residents filed a federal class action lawsuit on June 22, 2026, in the U.S. District Court for the Eastern District of California against Knowledge Support Systems, d/b/a Kalibrate, along with 14 of the largest gas station…

Variants

A "variant" is an AI incident similar to a known case—it has the same causes, harms, and AI system. Instead of listing it separately, we group it under the first reported incident. Unlike other incidents, variants do not need to have been reported outside the AIID. Learn more from the research paper.
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