I agree with Ryland. Through research, practice and q&a with all of us here on the site, you'll be well on your way to stopping at the pumps less. Although I admire your fervor, I think you'd be disappointed with the results of your arduous labor.
I know you're new to the community, have you read all of the main articles about hypermiling, ecomodding and the like?
all the best
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