Worse mpg the more I drive
Last week I filled up 3 gallons. About 1/3 of a tank and got ~40 mpg. This week I filled up like 3/8s of a tank and get 32.x mpg.
Why is it the longer I wait to fill up, the worst gas mileage I get?
Last edited by M@rshy; Jun 23, 2007 at 10:46 PM.