Hi Dylan, welcome on-board.
There is a lot of good stuff on that site. Just begin by the "100+ Hypermiling Tips" then continue with the "60+ Efficiency Mods". Both can be found at top of all pages.
The more simple mods are to inflate your tires gradually and to build a front grill block. There is a lot of cardboard/coroplast examples on the site.
To improve your driving you can begin to drive without brakes and to coast in neutral as much as possible. Inflated tires will help a lot. This is a brand new experience
Have fun,
Denis.
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