How Many Calories Should a Car Eat in a Day? The Fuel-to-Energy Conversion Explained
                                
                                
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                                    4 min read                                
                            
                                One gallon of gasoline contains approximately 31,000 food calories, which provides an interesting benchmark for comparison. This surprisingly high number makes the question, "how many calories should a car eat in a day?" a fascinating thought experiment, even though vehicles don't actually consume food for energy.