I own a 1994 Dodge Shadow ES (executive sedan) Automatic 2.2L 4 cylinder economy car. I use hypermiling to boost my Miles Per Gallon. One hypermiling technique is to shift your car into park or neutral when idling for more then 30seconds at a stop light. I have been trying this while placing my shadow in PARK. This has shown a considerable increase. Should I instead place it in NEUTRAL rather then PARK? NEUTRAL is just above DRIVE on the shifter and so it would be easy to change from NEUTRAL to PARK when the light turns green. When I placing it in park at a stop light there is a 5-10 second lag in the time it takes me to shift it to drive from the park position, so the cars behind me will have to wait to resume acceleration once the light turns green. Would placing it in NEUTRAL lead to better MPG then if I used PARK?

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