Firman H07552 Hybrid Portable Generator, 50 A, 120/240 VAC, Gasoline, Liquid Propane, 8 gal Tank, 12 hr Run Time
Firman Hybrid 9300-Watt Gasoline/Propane/Natural Gas Portable Generator (Cord Set Included) in the Portable Generators department at Lowes.com
Amazon.com : FIRMAN H08051 Dual Fuel Portable Generator, 10,000-Watts Power Generator with Electric Start, 12 Hours of Run Time, 439cc Engine, Versatile and Durable Generator : Patio, Lawn & Garden
Dual Fuel Portable Generator 7500W Electric Start 120/240V – FIRMAN Power Equipment