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MPGuino related stuff ~$100+ (for 3)
Coroplast, Acrylic, Duct Tape for Aeromodding ~$10
Wink Mirror (5 pannel) $0.50 (rummage sale!!!, allows passenger's mirror to be folded in)
Supplies for future aero modding ~$70 (so far, will need more to actually do the build)
Aerodynamics of Road Vehicles by Hucho ~$100
Gas used in testing ~$10
Total invested ~$300
Total saved $190 (assuming I got about 42mpg before, my assumption) or $520 (assuming EPA 34mpg).
Everything has paid for it's self (MPGuino in behavior modification, AeroMods in FE increase), except the "Future AreoMods" and the Hucho book, which kind of go hand in hand. Another year, and I should break even (provided I don't invest more in stuff that doesn't improve my gas mileage and I don't do anything to further improve my FE).
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