Well..... not really. My fuel economy numbers have been less than impressive. Im not sure if its just the cold temps, zero or below....or that the car is a blown out old toilet..haha. hey metrompg, what kind of winter temps are you running at?
Anyhoo......my mind has been working on coming up with a retractable or perhaps folding or extending kamback design. I may start with one similar to yours then add an electric operated extension that slides from under it. Kinda like a sunroof.
Ill post it if or when it gets figured out.
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