As of 2012, NACE reported that mechanical engineers with a master's degree started at an average of $75,700 -- significantly more than the average starting salary of $61,300 reported by mechanical engineers with a bachelor's degree.
How many gallons does a semi truck hold? 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.
For 2011, projected use was 142 billion gallons (9.12 million barrels a day). The U.S consumed about 64.3 billion gallons of finished motor gasoline in 2008. There are approximately 43 gallons of motor gasoline per barrel (and 19.6 gallons can be refined from each barrel of crude oil). This statistic does not include other distillates such as jet fuel and heating oil.