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Old 06-03-2008, 12:31 AM   #64 (permalink)
Gregte
EcoModding Apprentice
 
Join Date: May 2008
Location: South Dakota
Posts: 117

GMC Sonoma - '94 GMC Sonoma
90 day: 36.97 mpg (US)
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Quote:
Originally Posted by NeilBlanchard View Post
Greetings,

All you folks that "over" inflate your tires: are you driving primarily at highway speeds, or are you staying below, say 40mph most of the time? Just curious.

The reason I'm asking is that if you are driving primarily at highway speeds, then aero drag swamps any gains due to reduced rolling resistance. And as measured by
For many of us at least half of our miles are city miles, i.e. low speed. Low RR may mean a lot for city FE and certainly does not hurt highway FE
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