They don't, they get poorer mileage pulling or hauling anything.
Yes, diesel trucks generally get much better gas mileage than regular gas trucks. They even sometimes get better gas mileage than hybrid trucks.
In the U.S., a standard van-type trailer is 53 feet long. The truck pulling it can vary in length.
A multi axle truck, refers in most occurrences, to a type of trailer that is being pulled behind a semi. In some instances a semi may be pulling one trailer behind it and other times it may be pulling two trailers. On each trailer there are two axles which attach to the tires. So if you see a sign that says $.50/axle and a semi truck is pulling a trailer, he will have to pay two dollars. One dollar for his own semi truck which has two axles and another dollar for the trailer that he is hauling.
Smaller trucks with better gas mileage tend to be in the $15,000-$25,000 range, while larger trucks and hybrid trucks tend to be much more expensive - around $40,000-$50,000.
Ford trucks are usually worse than other makes when comparing gas mileage. Brands like Toyota and Mazda are better.
This depends on several factors. How big the truck and trailer are. How old is the truck. New trucks are more energy efficiant. Is the trailer loaded or empty. If loaded how many horses are being trailered. Newer trucks pulling trailers get about 17 to 22 miles per gallon.
the advantage diesel pickup trucks have is that they have been around for a while, the technology has been proven, and they are cheaper. The disadvantage is the gas mileage. Compare and decide for yourself.
1972 pickups where not equipped to handled better gas mileage so of course there mileage is lower then the 2010. The newer trucks but more equipment in to handle better gas mileage with new technology.
Some benefits of diesel trucks are: better gas mileage, less pollution, they are easier to maintain, the retain their value more, and they have a larger towing capacity.
Apple Truck and Trailer of Auburn Massachusetts is one dealership you could try.
2,000,000
There are many different fuel mileage ratings for over the road trucks. On average over the road trucks get 7 to 8 miles per gallon of fuel.