The DuroStar DS13000EH is a dual fuel workhorse powered by a 500cc OHV Engine and runs on gasoline or propane. Producing over 13,000 watts you can rest assured you will stay powered through any storm including your household essentials such as lights, small and large appliances, and your home’s central A/C. The fully loaded power panel features multiple outlets including 2 120V GFCI protected household outlets. This unit is both EPA and CARB approved for operation in all 50 states.