Want a personal recommendation? Ditch the Malibu and get something more economical. That will net you the largest gain in MPG.
If not, I guess you're going to need to figure out how much cosmetic plastic you're willing to add. You'll also want to look into the hypermiling tips, especially higher PSI in your tires and driving without brakes.
~Matt
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Nissan Leaf driver? Join me in Team Leaf and feel smugly superior about our MPGe
Current Car: White Lightning
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Retired Car: Betty White
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