Unit has been tested on Natural Gas and Propane. Test time is about 15 minutes. The item "New Honda EU3000is Portable Gas Powered Generator Inverter.Gas/Propane/NG" is in sale since Wednesday, February 17, 2021. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Generators". The seller is "mrpalco" and is located in Camillus, New York. This item can be shipped to United States.