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You don't have to shift to neutral for pulse and glide. Anyone who does that is taking hypermiling too far.
Overairing the tires is foolish too. A few psi might be OK, but remember you are causing uneven wear, which means tires don't last as long. Have you looked at the price of good tires?
Go to tirerack.com and check out prices, and look up automatic transmission rebuild costs while you're at it. Maybe call a body shop to find out the cost of repairs when your high psi/low traction causes you to crash.
Then you'll realize how stupid it is to try to wring those last 2 mpg out of the car by doing these things.
I propose a #1 rule of hypermiling: Keep your eye on the big picture
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