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Dodge Ram MPG Zone Discuss your MPG woes and helpful hints here!


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  #21  
Old 03-27-2013, 10:26 PM
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becact becact is offline
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With modern day aerodynamics, it really doesn't matter:



AS you can see the air doesn't even go into the bed. On older trucks, it's been shown (in wind tunnels) that with the tail gate up, the wind hits the tailgate, swirls up, and forms a high pressure zone that the air rides over (much like the above image, actually). I think tonneaus for MPG is a myth. Buy one because you need or want one, not for MPG!
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  #22  
Old 04-12-2013, 10:56 PM
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The Volt may be cheaper until the batteries go out on it. From what I've read they don't have a long life and when they have to be changed out it actually pollutes the environment more than the same vehicle running a gas engine. And then you have the limited range and shortage of recharge stations and the cost of plugging in to them. I will stick with my gas power, thank you very much. Besides it's not Mopar.
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  #23  
Old 04-13-2013, 10:27 AM
Hermes1 Hermes1 is offline
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Quote:
Originally Posted by becact View Post
With modern day aerodynamics, it really doesn't matter:



AS you can see the air doesn't even go into the bed. On older trucks, it's been shown (in wind tunnels) that with the tail gate up, the wind hits the tailgate, swirls up, and forms a high pressure zone that the air rides over (much like the above image, actually). I think tonneaus for MPG is a myth. Buy one because you need or want one, not for MPG!
Great graphic, I think this addresses the debate very well.
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