The innovative Gumout Regane Complete Fuel System cleaner is designed to clean the entire fuel system of a vehicle, maximizing fuel economy. Gumout Regane is specially formulated to remain effective for up to 10 fill-ups while providing 10 times the detergent of Lucas Fuel Treatment. You can find Gumout products at your favorite auto parts retailer, or go to www.gumout.com for more information about Regane and to find your nearest retailer.