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Re: What could have caused a 25 to 30% increase in fuel economy?
Posted to Technical Theory Forum on 2/19/2011

Thanks, and I don't think anything I have mentioned is outside of reasonable. The guides are just estimates. So to me, a mile or 2 (depending on the vehicle) above below the estimated range is reasonable.

And as we can see the van still gets the increased FE... Login to read more.