nitrogen vs air MPG
#11
Keeping a constant speed, tire pressure, and aerodynamics I guess. Smooth roads help loads as well - I get 36 in most parts of Pennsylvania, but 32 on the Palisades Parkway in Jersey.
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Larry 62694
Mazda 323,Mazda 626 & Mazda 929
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05-12-2006 12:31 AM