A dual fuel generator lets you switch between gasoline and propane during a long outage, so the fuel you can actually buy or store decides your runtime. Confirm the wattage ratings on each fuel in the manual — propane output is usually lower than gasoline output.
Exact listing: Pulsar 13,000-Watt Tri Fuel Gasoline, Propane, Natural Gas, Portable Generator with Remote Start
Listing identifier: B0DY1YTRD4. View listing source.
Title identifies the seller's listing; it is not an independent performance test. Check the selected configuration, current price and seller on Amazon.