Newbie wrote:
>
> It may seem like a superfluous question, but what is the best way of
> calculating what mmg yuor vehicle is getting? I have my miles reading
> of course, and I can record how much gas I put in, but there was some
> gas already there in the tank, and how do I know what was traveled on
> how much gas? If you have a good system, please share!

Ask your little sister, she'll help you.

--
Cheers, Bev
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"He who joyfully marches in rank and file has already
earned my contempt. He has been given a large brain by
mistake, since for him the spinal cord would suffice."
-- -Albert Einstein