YAMALUBE HAS CREATED A FORMULA DESIGNED TO PROLONG FUEL LIFE WHEN NOT BEING USED. THIS PRODUCT WORKS BEST IN FRESH FUEL AND CAN LAST UP TO 1 YEAR LONG. THIS PRODUCT WILL KEEP IT STABILIZED AGAINST DEGRADATION AND OXIDATION. THIS WILL ALSO PREVENT GUM AND VARNISH BUILD UP DURING OPERATION AND STORAGE.