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[jayman]

I would like to see an independant lab dyno test a motor with this gadget. This way, you eliminate any driver input that can skew the results

For example, say before the gadget the driver had a real lead foot and always gunned it, so it got 10 mpg. With the magic fuel saving gadget under the hood, the driver suddenly is very self conscience of fuel economy, and babies the vehicle

If I drive my FJ at a steady 80 km/h on level terrain, I easily average 32 mpg, Imperial gallon. If I speed up to 90 km/h, my average drops to 29 mpg. If I speed up to 110 km/h, my average drops to 24 mpg. At 120 km/h, my average is 20 mpg

If these gadgets really worked, you'd see GM and the rest put them under the hood of every pickup and suv they have. Companies like GM are drowning in red ink, if they could increase fuel economy that much on their full size trucks with a simple gadget, they would