Also, in the case of an accident, the vehicle has a lot more structural 
integrity with the tailgate up.

----- Original Message ----- 
From: "Jinx" <joecolquitt@clear.net.nz>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Wednesday, June 27, 2007 6:03 PM
Subject: Re: [EE] Simple fuel-saver, so they say


>
>
>> I drive with the tailgate down when I use the pickup unloaded.  It
>> does save fuel because up, it can scoop up enough air pressure at
>> 50 mph to cause significant drag
>
> Mythbusters claimed that with the tailgate down, the vortex behind
> the cab disappears. According to the pick-up manufacturer (smoke
> trail test film), air coming over the cab roof bounces off that vortex,
> resulting in less drag
>
> http://www.cartalk.com/content/columns/Archive/1997/October/05.html
>
> As they say there, it's counter-intuitive
>
> Not that I'm doubting your results, you know your vehicle and
> have the numbers
>
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