Goes through my Farmboss like grease through a goose. I used a full tank bucking up a 30' cherry tree into 2' lengths. At least 4$. I mixed up a gallon of my usual 32:1 Valvoline universal in E 10 87 and the saw fired right up. The saw's performance is just as good as the Tru Fuel. 24$ vs about 3.25 $ and some mixing for equal performance.