BP, Marathon, 7-Eleven, Walmart sued for allegedly using AI to boost California gas prices - Finance news and analysis from Global Banking & Finance Review
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BP, Marathon, 7-Eleven, Walmart sued for allegedly using AI to boost California gas prices

Published by Global Banking & Finance Review

Posted on June 22, 2026

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· Last updated: June 22, 2026

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California Lawsuit Targets BP, 7-Eleven, Walmart for Alleged AI Gas Price Fixing

California Drivers Accuse Major Gas Stations of AI-Driven Price Manipulation

By Jonathan Stempel

Overview of the Lawsuit

June 22 (Reuters) - Gas station operators including BP, Circle K, Marathon Petroleum, 7-Eleven, Walmart and Albertsons were sued on Monday by California drivers who accused them of using artificial intelligence to boost prices at the pump.

Alleged Violation of Antitrust Laws

According to a proposed class action, the defendants violated California's main antitrust law, the Cartwright Act, by using an AI-based tool that uses data from competing gas stations to "coordinate high prices and wring more money from the pockets of consumers."

Details of the Alleged Scheme

The lawsuit in the Sacramento, California federal court said the scheme violated Assembly Bill 325, a California law that took effect on January 1 and was intended to crack down on algorithmic price fixing.

Impact on Gas Prices and Consumers

Drivers said gas prices have risen as much as 30 cents a gallon in areas where high percentages of stations use the AI tool, which comes from a company called Kalibrate.

Each penny costs California drivers an extra $134 million per year, boosting gasoline prices to "astronomical" levels sometimes reaching $7 a gallon, the complaint said.

"While families struggle to afford the commute to work, defendants have conspired to put an end to competition, joining an AI-powered trust to ensure that no matter where a driver turns, the price for gasoline is artificially high," the complaint said.

Defendants and Their Response

The defendants operate more than 1,700 gas stations in California, according to the complaint. Kalibrate is also a defendant. The defendants either did not immediately respond to requests for comment or declined to comment.

California Gas Prices in Context

Californians pay the nation's highest gas prices, averaging $5.58 per gallon for regular, according to AAA. The national average is $3.93.

Lawsuit Seeks Damages

The lawsuit seeks unspecified damages for drivers who paid too much for gasoline.

(Reporting by Jonathan Stempel in New York)

Key Takeaways

  • Major oil and retail operators including BP, Marathon, 7‑Eleven, Walmart and Albertsons are accused of using an AI tool from Kalibrate to align gasoline prices in California, allegedly inflating pump prices by up to $0.30 per gallon and costing drivers millions annually. AB 325, effective Jan 1 2026, broadens California’s antitrust law to prohibit algorithmic collusion—specifically banning “common pricing algorithms” as tools of price fixing (a04.asmdc.org).
  • California drivers already face the highest gasoline prices nationwide; as of mid‑June 2026, the average price for regular unleaded fuel was approximately $5.71 per gallon in California—well above the $4.04 national average (gasprices.aaa.com).
  • Structural factors—such as state taxes, unique low‑emission fuel mandates, and limited refinery capacity—have traditionally kept California prices elevated; the lawsuit, however, alleges AI‑enabled price coordination exacerbates these burdens amid an affordability crisis (theglobalstatistics.com).

References

Frequently Asked Questions

Why are BP, 7-Eleven, and Walmart being sued in California?
They are accused of using AI technology to coordinate and increase gas prices, violating California antitrust laws.
What is the main law cited in the gas price fixing lawsuit?
The lawsuit cites California's Cartwright Act and Assembly Bill 325 as the main laws allegedly violated.
What role does AI play in the alleged price fixing scheme?
Operators allegedly used Kalibrate's AI tool to analyze competitor data and artificially set higher gas prices.
How much higher have gas prices reportedly risen due to this alleged scheme?
Gas prices have reportedly increased by as much as 30 cents per gallon in affected areas.
What damages are the plaintiffs seeking in this lawsuit?
The plaintiffs seek unspecified damages for California drivers who overpaid due to alleged AI-driven price fixing.

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