California drivers have sued BP, Walmart, 7-Eleven and three other chains, alleging an AI pricing tool was used to coordinate higher petrol prices.

The lawsuit cites a bill signed into law last year banning the use of common pricing algorithms.

June 22 : 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…