Drivers sue major fuel retailers and grocers in California, alleging they used AI to raise gas prices

A group of California drivers filed a lawsuit on Monday against multiple fuel retailers and convenience and grocery operators, accusing them of using artificial intelligence to raise gasoline prices in the state. The complaint names BP, Marathon Petroleum, 7-Eleven, Walmart, and Albertsons, along with additional fuel brands including Circle K, according to the report.

The plaintiffs allege the companies used AI in ways that produced higher prices at the pump. The suit describes the alleged practice as a coordinated or otherwise influential pricing approach, but it does not establish in the filing that any courts or regulators have confirmed that the use of AI, or the pricing effects attributed to it, actually occurred.

The companies named operate large networks of stations across California, where retail fuel pricing can move quickly based on multiple factors such as wholesale costs, local competition, and changes in demand. The drivers’ claim focuses specifically on whether AI tools were used to influence pricing, rather than on only traditional pricing inputs.

Walmart is the only grocery and big-box retailer among the defendants in the reporting. It also sells fuel through some locations, and its inclusion underscores how consumer complaints increasingly target not just traditional petroleum companies, but also downstream operators that set or affect the final retail price.

Marathon Petroleum, BP and 7-Eleven are among the firms cited alongside Circle K and Albertsons, suggesting the lawsuit is aimed across a broad cross-section of the gasoline value chain and the companies most visible to consumers. If the allegations gain traction, the case could put additional scrutiny on how AI pricing tools are developed and deployed across retail industries.

Even at an early stage, cases like this can force companies to spend significant resources on discovery, including documentation about pricing systems, vendor relationships, and internal controls. For defendants, the central question is whether any AI use was intended or designed to produce unlawfully inflated prices, and whether plaintiffs can demonstrate a causal link between the alleged technology and the prices they paid.

The report does not provide details in the public summary about the specific legal theories asserted in the complaint, such as whether the suit is framed under state consumer protection, antitrust or unfair competition doctrines. It also does not state whether the plaintiffs are seeking damages, injunctive relief, or both.

In similar AI-linked pricing disputes, companies typically respond by disputing wrongdoing and challenging the characterization of how pricing decisions are made. What matters next is what the plaintiffs can prove in court, including what AI systems they claim were used and what records they can obtain through discovery.