Buy natural gas grills if you want to save money on your gas bill. Even though they require more fuel, it is still a lot cheaper than liquid propane. Natural gas also burns cleaner and creates less grime than liquid propane grills. Purchasing a natural gas grill means you will be running the gas from a pipeline usually from your home.
Centaur CH50NG 50" Natural Gas Hybrid Gas and Charcoal Grill with 2 High Performance iBurners, 1200 sq. in. Grilling Surface, 40,000 BTUs, Interior Lights, Adjustable Fuel Tray, and Adjustable Dampers in Stainless Steel
S-Series CSL42NG 42" Natural Gas Grill with Four x 11 Gauge Stainless Cast iBurners, 1 RapidSear Burner, 1 Infrared Burner, 115,000 BTUs, Back Lit LED Knobs, 1275 sq. in. Grilling Surface, Interior Hood Lights, and Stainless Steel Hood in Stainless Steel
LX2 ALX2-36-N 36" Built In Natural Gas Grill With 660 sq. in. Cooking Surface, 3 x 27,500 BTU 18SR Stainless Steel Burners, Integrated Rotisserie Motor, High Intensity Halogen Work Lights, and 18,500 BTU Infrared Burner in Stainless Steel