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Old 06-05-2008, 08:28 AM   #7 (permalink)
tasdrouille
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The Truck (Retired) - '99 A3 Jetta TDI
90 day: 62.27 mpg (US)

The Guzzler - '08 Elantra GL
90 day: 32.95 mpg (US)

The Green Machine - '00 A4 Jetta TDI
TEAM VW AUDI Group
90 day: 53.56 mpg (US)
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There is no correlation between the traction rating and the RRC.

Here's a very complete 178 pages report you'll like if the subject is of interest to you:

TRANSPORTATION RESEARCH BOARD SPECIAL REPORT 286: TIRES AND PASSENGER VEHICLE FUEL ECONOMY
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