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Auto's have come a long way, that is for sure. My gf's 1999 Sunfire has a 3-speed automatic for crying out loud. That thing is terrible.
You don't need all those gears to get good MPG. The reason they keep adding gears is because the more gears you have to use from 0-70 mph, the less RPMs have to build up to satisfy the average driver's need for acceleration. Lower RPM = higher MPG. It all comes down to building technology that forces drivers to improve their driving techniques.
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