What is the average mileage for a Volvo tractor trailer truck?
The average fuel efficiency of a Volvo tractor-trailer truck can vary depending on the specific model, engine type, and load weight. However, on average, Volvo tractor-trailers can achieve fuel efficiency ratings of around 6 to 8 miles per gallon (mpg) when fully loaded. This can vary based on factors such as driving conditions, terrain, and traffic patterns.