Generac GP 9500E TF Portable Tri Fuel Generator. It runs on gasoline, liquid propane and natural gas fuel for your convenience. It has a 9.5-hour runtime when running on gasoline and a 4.5-hour runtime on a 20lb LP tank when 50% of power is being used. It has an easy-to-use electric start rocker switch that provides reliable and hassle-free start ups (battery included). It has a reliable OHV engine with splash lubrication that provides a long engine life. It has a handle & wheel kit with ergonomic handle and never-flat wheel kit included for portability. It has a 1" steel-tube cradle for added durability and strength. It has covered outlets that provide added protection from the environment and rugged working conditions. It has a low-oil level shutdown that automatically safeguards engine from damage. It is 49-state compliant.