Four to eight miles per gallon, depending on gross weight, powerplant, drivetrain, and terrain.
Whatever the engine manufacturer recommends.
It's not a set thing. It's determined between what the shipper is willing to pay, and what the carrier is willing to haul for.
An 18 wheeler is a semi-truck and trailer. A truck, and trailer, has 18 wheels, including 10 on the semi, and 8 more on the trailer. 18 Wheelers are responsible for the majority of products the user buys everyday.
18 wheeler has the higher gross weight
18-29 miles per gallon
on average you need to fuel an 18 wheeler once a day
An urban detour is a 3 wheeler stroller. I do not think it is considered as having gas mileage.
18 wheeler
18 Wheeler - 1979 VG was released on: USA: July 1979
Earle Wheeler died on 1975-12-18.
Andrew Wheeler was born on 1988-01-18.
Ernie Wheeler died on 1982-06-18.