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.
The cost of fuel is the number one largest cost associated with driving a tractor trailer. On average, a standard passenger vehicle uses 500 gallons of unleaded fuel per year. A tractor trailer uses up to 20,500 gallons of diesel fuel in the same time period.