Originally Posted By: DeathtoToasters
… Then my wife and I have implemented a new rule, always fill the cars when they are down to half a tank. With that in mind, my car should have 10 with a half a tank, and the other 13.
So I should have a total of 53 gallons of fuel on hand for the generator at all times.

Do not count on being able to get at the gasoline inside the vehicles’ tanks unless you know from first-hand experience that a siphon hose will successfully enter the tank without being blocked. Most newer-model cars have an anti-siphon device that blocks any siphon hose from getting to the fuel.
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