How many gallons of gas will it take to get from Washington DC to Mexico City by a peterbilt semi truck?

The distance from Washington, DC to Mexico City is approximately 1,700 miles. A Peterbilt semi truck typically gets around 6 to 8 miles per gallon of diesel fuel. Assuming an average fuel efficiency of 7 miles per gallon, it would take about 243 gallons of gas for the trip. However, actual fuel consumption can vary based on factors such as load weight, driving conditions, and speed.