it's probably true that the factories aren't as concerned about fuel mileage, as most don't print any type of 'mpg' averages in their brochures, or don't necessarily try to 'sell' their coaches on mpg facts.
having said that, the front cap is purely a functional and design end game, but functional from the perspective that it needs to hold the windshield, and that's about it. The rest of the fiberglass front cap is just to cover the front of the coach.
If the factories were to try to make the front end more 'aero dynamic', then they would be adding footage to the overall length of the coach, which may not sound like a big deal, but that would also require more steel/metal infrastructure, more weight, and the length of the coach may suffer since a 45' coach is already at the maximum road-length.
I agree that everyone would love more fuel mileage, but most don't buy a coach, especially on the higher-end, because they are as concerned about it.
but, then again, as fads and design elements change, you may see this in the future...who knows. We can certainly look back to some in the past, especially the 70s and 80s, where this design seemed to be of importance - but most today wouldn't dare want to 'invest' in that look.
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the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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