On average, a tractor trailer can consume anywhere from 5 to 12 miles per gallon (MPG). This means that for every gallon of fuel, a tractor trailer can travel between 5 to 12 miles. However, under certain circumstances, such as when carrying heavy loads, driving in stop-and-go traffic, or encountering adverse weather conditions, the fuel consumption can be even higher.
To improve fuel efficiency, many trucking companies have adopted various strategies, such as optimizing vehicle design, using advanced engine technologies, and implementing efficient driving practices. Despite these efforts, the fuel consumption of tractor trailers remains a significant cost for the transportation industry.
In terms of fuel type, the majority of tractor trailers run on diesel fuel. Diesel engines are known for their efficiency and durability, making them well-suited for the demands of long-haul trucking. Some newer tractor trailers are also being equipped with alternative fuel systems, such as natural gas or hybrid electric, to further reduce fuel consumption and emissions.