Quote:
Originally Posted by SDMCF
I am impressed with that, especially in your climate.
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MPG is not linear, so that figure is meaningless. Let us assume he dropped from 16.5 MPG to 15. That is a drop from 6.06 gallons per 100 miles to 6.67 gallons per 100 miles. He is consuming 0.607 gallons more per 100 miles.
That inefficiency is the same as someone dropping from 50 MPG (2 gallons per 100 miles) to 38.358 MPG (2.607 gallons per 100 miles). This 11.642 MPG drop is the same as the 1.5 MPG drop from above.