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.
Gasoline is the main petroleum product consumed in the United States. In 2007, gasoline consumption reached a record high of 9.3 million b/d (391 million gallons per day). In 2014, motor gasoline consumption averaged 8.9 million b/d (375 million gallons per day), or about 47% of total U.S. petroleum consumption.