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Originally Posted by Hersbird
Just to throw a possible wrench in your gears, to be really scientific you need A-B-A type testing where the driver doesn't know what is A and what is B. Psychology goes a long way to make things happen the way you hope they will. Maybe even A-B-A testing where there is no difference between A and B just to be sure.
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My wife serves in this purpose. She likes the idea of getting good gas mileage, but she does not have the same depth of knowledge that I do, with regard to mechanical principles underlying operating cars.
I also think a good substitute for single-blind testing, is driving under conditions where it's not really possible to modify driving technique to skew the results in favor of showing a perceived increase in fuel economy. For instance, commuting to work on an interstate with heavy traffic near rush hour. It'd be kind of hard to use pulse-and-glide or driving-with-load under those conditions.
Quote:
Originally Posted by Hersbird
I do believe there is merit to reducing power to increase throttle to reduce pumping losses.
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Indeed. I am all in favor of reducing pumping losses where and when I can.