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.
Average Fuel Economy - 19 Miles Per Gallon (16 MPG in the city and 21 MPG on the highway). This pickup truck offers an amazing 390 horsepower, 735 foot pounds of torque and still gets an average fuel economy of 19 Miles per gallon. That is simply amazing for a pickup truck of this size.