The Green-Power America 10,500W Dual Fuel Generator comes equipped with a 479cc LCT Professional Brand Engine and is EPA Compliant. It adds fuel flexibility which gives you the option of 2 power sources (gasoline or liquid propane). This dual fuel generator has a starting watt offering of 13,000 peak surge watts and 10,500 continues running watts of power when used with gasoline option and 11,750 peak surge watts and 9,550 continuous running watts of power when using the propane option. This high-quality generator includes an automatic voltage regulator, built-in fuel gauge, low oil shut off feature which helps prevent damage to the engine when your oil levels are low. This reliable generator is perfect for tailgating, camping or any outdoor event when power is needed. Backed by a 2 year limited warranty. EPA approved.