scangauge http://www.thinkgeek.com/gadgets/ele...c/8426/?cpg=cj to is a mileage computer that figures your instant mpg. ypu can correct your driveing habbits very quickly with it. lrr is low rolling ressistance tires, these tires are rated to produce less friction and less drag. these come on some hybrids to give them just a little more of a boost on fe.
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