Keeping the Power On: What to Know About Generator Fuel Supply
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When the grid goes down, your generator's fuel supply is what keeps the lights on. Gasoline can go bad in a few months, so rotate it or use a stabilizer. Propane stores indefinitely, but you need enough tanks. Diesel is stable but can grow algae in warm weather. Always store fuel in a cool, dry place and cycle it through your car to keep it fresh.