Core Viewpoint - The article discusses a case of alleged fuel overcharging at a gas station in Chengdu, where a car owner reported that his 50-liter fuel tank was filled with 67.96 liters of gasoline, raising concerns about potential malpractices in fuel dispensing [2][6][7]. Summary by Sections Incident Overview - A car owner named Mr. Yang reported that during a refueling at a China Petroleum gas station, his vehicle's 50-liter tank was charged for 67.96 liters of gasoline, leading to a dispute over the accuracy of the fuel dispensing [6][7]. - The gas station insisted on charging based on the pump's reading, despite the owner's objections and the tank's capacity limitations [6][7]. Regulatory Response - The Chengdu High-tech Zone Market Supervision Administration announced that they would investigate the incident and take appropriate legal actions based on the findings [2]. - Following the complaint, the gas station's problematic fuel pump was sealed and remains out of service as investigations continue [2]. Broader Context - The article highlights that issues of fuel overcharging are not isolated incidents, with a national campaign initiated by various government departments to combat fuel pump fraud, resulting in 1,249 cases and a total of 2 billion yuan involved [7]. - It is noted that discrepancies in fuel tank capacities can sometimes lead to misunderstandings, as actual tank capacities may exceed the labeled maximum by 5% to 10% [11][12].