VP Racing 1 Qt. 50:1 Premix Small Engine Fuel for 2 Cycle Engine Outdoor Power Equipment. It contains no ethanol and protects fuel systems from ethanol related damage. It improves performance and remains stable during long term storage. Itcan be used in string trimmers and chainsaws to pressure washers, generators and mowers. It has a 94 octane formula andis clean burning, virtually smoke free and substantially reduces engine wear and carbon deposits. It is Jaso FD certified and meets or exceeds ISO EGD & API TC standards, as well as all manufacturers specifications, including Stihl, Husqvarna, Echo, Maruyama, Shindaiwa and many more.