TruFuel 110 oz. 40:1 Pre-Mixed Fuel & Oil. A ready-to-use fuel for all 2-cycle trimmers, chainsaws, and air-cooled engines. This synthetic oil with ethanol-free gasoline ensures better lubrication and performance, reducing smoke, plug fouling, and engine deposits while extending engine life. It comes in a metal re-sealable container for convenient storage and handling.