Grill with Gas...

“Instead of air-polluting and expensive charcoal or propane, try an electric or natural gas grill. They're more economical and more convenient - you'll never run out of fuel.”

https://www.powerhousetv.com/EnergyEfficientLiving/EnergySavingTips/101WaysToSaveEnergy?utm_source=WS&utm_campaign=Energy-EfficientLiving/Energy-savingsTips/027471