>I make it 2 weeks in a 20 year old car. I used to go for two weeks between fill-ups in a '78 Buick but that was mostly becuase it had a 24-gallon tank (and I

>I make it 2 weeks in a 20 year old car. I used to go for two weeks between fill-ups in a '78 Buick but that was mostly becuase it had a 24-gallon tank (and I only drove about 20 miles a day).