View Single Post
Old 10-30-2008, 11:59 AM   #49 (permalink)
Master EcoModder
tasdrouille's Avatar
Join Date: Jan 2008
Location: Mirabel, QC
Posts: 1,672

The Guzzler - '08 Hyundai Elantra GL
90 day: 33.12 mpg (US)

Got Soul? - '11 Kia Soul 2U
Thanks: 35
Thanked 85 Times in 56 Posts
Originally Posted by 07b2300 View Post
So I'm wondering how much tire pressures are helping anyone else because if the effect is negligable I'm going to put it back to help keep my coffee off my lap!
To answer the OP's question, in “The Effects of Tire Inflation Pressure on Passenger Car Fuel Consumption”, SAE paper 810069, the authors argue that the effect of inflation pressure on passenger car tires will affect overall fuel consumption by 0.33 percent/psi.
__________________ - Quand chaque goutte compte...
  Reply With Quote