Description Americaâs #1 Fuel Stabilizer Treatment Keeps fuel fresh for long term storage â up to 24 months Eliminates the need to drain fuel prior to storage Ensures quick easy starts after storage by preventing gum and varnish build up* Effective in all gasoline, including Ethanol and Non-Ethanol For all gasoline engines, including 2-Cycle. Use in your vehicles, motorcycles, small engines, generators, boats