And when there are no cars to haul, the trailers can also haul livestock.Jack Cooper just signed a contract for 500 of these new trucks , they are rated at 15 mpg and speed rated mirrors and mus flaps that automatically fold up at 46 mph for better fuel mileage and trucks will be assigned to returning Yellow driver's 1st !! Good Luck and Happy I already got my job app in with Becky the HR girl at Jack Cooper !