Quote:
Originally Posted by coolman
the story I saw on the motor said it would use as much water as fuel. That's why I said 200lb of water. Average gas tank 25 gallons
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Those are some big gas tanks. Few cars exceed 20 gallons these days, and a small car can be down near 10. Its larger for trucks and SUV's, but I'd say average would be 18 gallons. Plus if there is a substantial increase in fuel economy, you could get away with a smaller fuel tank and maintain the same fuel range.