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Fuel Economy Gap Between Top and Average Operators Costs $20,000 Yearly

Two owner-operators running identical Midwest corridors with comparable freight loads and weekly mileage can see vastly different fuel bills. One achieves 7.8 miles per gallon while the other averages 6 mpg. At current diesel prices near $5.60 per gallon, that 0.8 mpg gap translates to 60-80 extra gallons burned weekly, costing roughly $20,000 annually. NACFE tracked 14 fleets operating 75,000 trucks, finding disciplined operators consistently achieved 7.8 mpg or better while the industry average sat around 6 mpg. The disparity stems entirely from driver behavior and maintenance decisions, not equipment differences. Speed remains the primary culprit. Running 75 mph versus 65 mph increases fuel consumption by 27 percent, according to the American Trucking Associations. Each additional mph above 65 reduces economy by approximately 0.14 mpg, with penalties doubling on poorly designed aerodynamics.