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I've looked into this before. I found some good ones that did 0-100mph wind speeds made for light aircraft. They were $100 or more and not worth it to me.
I wanted to put in an aircraft horizon and altimeter. The grade in the road and elevation gain and loss are more important to hypermiling. There's not much you can do about the wind except slow down.
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I try to be helpful. I'm not an expert.
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