This truck replaced an Airstream motorhome (6/8mpg), a BMW 745 (16/26mpg), and a Tacoma (15/20mpg). I run B99 biodiesel from sequential fuels in Oregon. and I get 16/20. I'm doing testing for producing 100% biodiesel at my house.
Edge Evolution CTS programmer +3mpg.
Grill block, tow hook block.