Backpack Gasoline Blower Snow and Leaf Debris Duster 52cc Gasoline Powered EPABackpack Gasoline Blower Snow and Leaf Debris Duster 52cc Gasoline Powered EPA. Equipped with a powerful 52cc 2-cycle engine. The gas-powered backpack blower is capable of incredible high-velocity air speeds. It can easily handle tough blowing tasks like clearing wet, grass, heavy leaves,.