Howdy,
I purchased a Smarty Jr back in Dec-09. I have run two 700-800 mile tanks of fuel with the Smarty set on #1 "Economy" setting and POD=100. With same driving habits and locale I am getting a little worse fuel mileage, 14. 9 and 15. 3, hand calced, which is . 5 to maybe . 8 mpg less...