Wyoming Wind Indicator.
If you're going to be driving through Wyoming, this can help...
Forum Discussion
Many moons ago, Towing a 23ft TT with a Dodge Ramcharger equipped with a 318 V8 for 60 miles through Wyoming against a headwind I averaged 3MPG. 45MPH with my foot on the floor the whole way...I was actually able to watch the gas gauge drop as we went along.
