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Walmart, BP, Others Sued for Using AI to Fix Gas Prices in California

A proposed class action lawsuit filed Monday accuses major gas station operators including Walmart, BP, and Marathon Petroleum of using artificial intelligence to artificially boost gasoline prices in California, violating the state's Cartwright Act.

June 22, 2026
2 min read
Source: Reuters
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California drivers filed a proposed class action lawsuit on Monday against major gas station operators including Walmart (WMT), BP, Circle K, Marathon Petroleum, 7-Eleven, and Albertsons, alleging they used artificial intelligence to boost gasoline prices at the pump.

Details of the Lawsuit

According to the complaint, the defendants used an AI-based tool that collects data from competing gas stations to "coordinate high prices and wring more money from the pockets of consumers." The lawsuit claims this practice violates California's primary antitrust law, the Cartwright Act.

Company Response

The companies named in the lawsuit have not yet commented. They are expected to deny any wrongdoing, arguing that AI-powered pricing tools are common and intended to improve efficiency rather than fix prices.

Regulatory Context

This lawsuit comes amid heightened scrutiny of gasoline prices in California. Regulators have previously investigated price spikes, and new laws aimed at increasing fuel pricing transparency have been introduced.

Potential Financial Impact

If the allegations are proven, the companies could face significant fines and consumer restitution. The case may also lead to industry-wide changes in pricing practices. However, it is too early to estimate the financial impact at this preliminary stage.

Frequently Asked Questions

The defendants are Walmart, BP, Circle K, Marathon Petroleum, 7-Eleven, and Albertsons.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.