- Joined
- February 18, 2015
- Messages
- 4,542
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- City, State
- Phoenix Az
- Year, Model & Trim Level
- 1991 aerostar
I don't think so cause most cars get their best economy above 55 mph now, even my 87 ranger gets better mpg at 60 than 55.What if there was a mandatory 55 MPH maximum speed limit? Would the U.S.A. use less fuel?