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[QUOTE=99metro;235829]Don't confuse "fuel efficiency" with "fuel economy".
Generally the best fuel economy is just after the last gear shifts in an automatic with light throttle... and somewhere in the general vicinity of 1000-1500 rpm in the last gear of a manual transmission. Give or take.QUOTE]
Ok I am confused now :-) Effeciency or economy? All I know is to watch the instant reading trying to keep the avg mpg numbers as high as possible.
Is economy miles/gallons=mpg
and efficiency is how much it's using at any given time to maintain X speed?
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