"ravelation" <ravelation@webtv.net> wrote in message
news:19168-3F818147-83@storefull-2336.public.lawson.webtv.net...

>
> Also, can you get a true reading of MPG when you fill up at half a tank?
> The reason I ask is it always seems like the first half of the tank is
> used more quickly than the second half? Myth, or true?
> TIA.
>

I observed the opposite. I figured the top half of the tank is larger than
the bottom, given that the top of the gas is always flat while bottom of the
tank has round edges. Also, if the level sensor is anything like the toilet
float, there's more vertical movement in the first half than the last.