What are the reasons for high fuel consumption in gasoline cars?

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High temperatures and high humidity in summer seasonally lead to increased fuel consumption. Driving at high speeds and carrying heavy loads also result in higher fuel consumption. Here is relevant information about high fuel consumption in cars: Poor driving habits: Sudden acceleration, hard braking, coasting in neutral, and mismatched speed and gear. Carbon buildup and electronic control system failures: Carbon deposits on throttle bodies, idle valves, and fuel injectors, as well as inaccurate signals from oxygen sensors, intake pressure sensors, and coolant temperature sensors. Lack of regular vehicle maintenance: Failure to replace air filters, fuel filters, spark plugs, and clutch plates in a timely manner can also lead to increased fuel consumption.