HUD display on car's rear wind shield

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The discussion centers on the desire to project a heads-up display (HUD) on a car's rear windshield to inform drivers behind about hypermiling practices. Currently, devices are primarily designed to project onto the front windshield, and while they could technically be adapted for the rear, visibility issues due to sunlight or headlights may arise. Participants express skepticism about the effectiveness of communicating hypermiling intentions to following drivers, suggesting it may not alleviate potential frustration. The conversation highlights the need for innovative solutions to achieve the desired display without compromising visibility. Overall, the feasibility of such a project remains uncertain, with no existing devices specifically designed for this purpose.
Nish6242
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Hello Guys ,

I want to have my HUD displayed on my car's rear wind shield so that the driver just behind my car has an idea of my driving (Hypermilling) :cool:

I have been looking for a possibility to do this but till now I only saw devices that projects the display on the front wind shield, visible to the driver only.

1. Are there any existing device to project the display the way I want ?

If not can some one hint me on how I can achieve my aim.

PS : I drive a hybrid Honda civic 2010 (having the OBD II port).

Thanking you guys in advance :wink:
 
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Nish6242 said:
so that the driver just behind my car has an idea of my driving (Hypermilling)

What does that mean?
 
http://en.wikipedia.org/wiki/Energy-efficient_driving
http://www.hypermiler.co.uk/hypermiling/hypermiling-techniques

Any device that projects on the front windscreen will work on the rear. Though, you'll have to mirror the image and it may not be visable to other drivers. Either sunlight or headlights will wash it out.

What information do you need to transmit to drivers behind? I'd guess other drivers get frustrated following you? Telling them you're hypermiling is unlikely to help..
 
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