I'm sure that in Gratz, Pennsylvania, you see a considerable amount of snowfall and summer precipitation. Without a comprehensive wash, the clear covering would soon accrue with a build-up of opaque road grime, salt, and snow/ice. In the ever-changing and difficult economy, it is difficult for an Owner-Operator to stop and spend hard-earned money on a truck wash for the sake of an unknown benefit in fuel economy.
Please take into account the small percentage of FE gained with your proposal of wheel covering. The cost of the device may take some time to recover the investment.
As this site has advised, first start with the "Low-Hanging Fruit" such as air-cleaner decoration, exposed stacks, and non-integrated headlamps. Trailers may vary per customer, so it may not even be in the control of the tractor operator to add such components.
All I ask is to thoroughly think about the implications before posting.
RH77 / Rick (EcoModder.com Moderator)
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“If we knew what we were doing, it wouldn't be called research” ― Albert Einstein
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