Type information into the cells. 1  Keep in mind that merging cells can delete data.  If you want to merge cells, but there is data in 1 of the middle cells, copy the data using your Edit Menu and paste it in the upper left cell.
Quick Answer. Semi truck fuel tanks vary in size, but they hold an average of 125 to 300 gallons of fuel. There is a fuel tank located on each side of the tractor, and fuel is distributed between the two tanks to balance weight. Continue Reading.
A good rate of fuel consumption for a loaded semi is around 6 miles per gallon (MPG), so the average semi can run between 1200 and 1800 miles from one fill up.The average fully loaded semi truck weighs 80,000 lbs.Source(s): I own and operate a small trucking company.s for how much fuel they can take on will depend on the size of the fuel tank. I have 2 140gallon tanks which I can use 137 of those gallons. Energy efficent, that I cant answer with certainty but I like to think my truck is.