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Old 09-07-2008, 01:18 AM   #3 (permalink)
Mr. Blue Tape
azraelswrd's Avatar
Join Date: Jun 2008
Location: Fresno, CA
Posts: 345

AzxA - '06 Scion xA
90 day: 42.72 mpg (US)
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If done right, I don't think they will produce that much more drag especially on an SUV body (which aren't renown for their aero anyways). But as to the gains... not sure. I would use a solar rig set up to send power into a deep cycle battery and from that run my appliances (ie a small fan)

Something like this...
"How to make a solar power generator"

But I'm all about temporary gadgets that can be deployed and withdrawn at will. I'm not saavy enough to wire it into the car itself.

My 5 pillars of fuel efficiency:
  • driving style
  • aerodynamics
  • tires
  • weight reduction
  • engine maintenance
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