dual-fuel generators 9

https://blast-wiki.win/index.php/Understanding_Kilowatts_vs_Kilovolt-Amps_for_Generator_Sizing

A dual-fuel generator runs on either gasoline or propane, giving you flexibility depending on what fuel you have available. They're handy for home backup during power outages, because propane stores longer and doesn't gum up the engine as easily, while gasoline is more common for refueling. Just switch the fuel line and you're good to go.